Description
In ΔDEF,DE=17 and m<F=32 . find DF to the nearest tenth.
https://tcan4424-oakcliff-ccl.gradpoint.com/Resour...
a.32.1
b.9.2
c.32.4
d.9.0
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Explanation & Answer
36.1 is the answer..................................................................................................................................................
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Find the missing Angle
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Find the missing Angle
These are the four steps we need to follow:Step 1 Find which two sides we know – out of Opposite, Adjacent and Hypotenuse.Step 2 Use SOHCAHTOA to decide which one of Sine, Cosine or Tangent to use in this question.Step 3 For Sine calculate Opposite/Hypotenuse, for Cosine calculate Adjacent/Hypotenuse or for Tangent calculate Opposite/Adjacent.Step 4 Find the angle from your calculator, using one of sin-1, cos-1 or tan-1ExampleFind the size of angle a0Step 1 The two sides we know are Adjacent (6,750) and Hypotenuse (8,100).Step 2 SOHCAHTOA tells us we must use Cosine.Step 3 Calculate Adjacent / Hypotenuse = 6,750/8,100 = 0.8333Step 4 Find the angle from your calculator using cos-1 of 0.8333:cos a0 = 6,750/8,100 = 0.8333cos-1 of 0.8333 = 33.60 (to 1 decimal place)Example #1Find the missing angle when you are given the following dimensions.BC = 3; AC = 16; AB = 8, Cos ? = 3/16ExplanationThe missing value is x than Cos 3 / 16Cos x = 0.2x = Cos-1 0.2x = 78.5Answer = 78.50Practice Problem #1:Find the missing angle:BC = 10 ; AC = 18 ; AB = 7, Sin__?__ = 7 / 18Explanation #1The missing value is x than Sin 7 / 18Sin x = 0.4x = Sin-1 0.4x = 23.60Answer = 23.60Practice Problem #2)Find the missing angle:BC = 24 ; AC = 13 ; AB = 4, tan_?___ = 13 / 24Explanation #2The missing value is x than tan 13 / 24tan x = 0.5x = tan-1 0.5x = 26.60Answer = 26.60Practice Problem #3)Find the missing angle:BC = 18 ; AC = 33 ; AB = 15, Cos__?__ = 18 / 33Explanation #3The missing value is x than Cos 18 / 33Cos x = 0.5x = Cos-1 0.5x = 600Answer = 600ReviewDirections: Find the missing angle in each of the following problems.1. QR = 36 ; PR = 45 ; PQ = 21, Sin __?___ = 21 / 452. QR = 16 ; PR = 2 ; PQ = 8, tan __?__ = 8 / 163. QR = 15 ; PR = 28 ; PQ = 15, Cos __?__ = 15 / 284. QR = 47 ; PR = 64 ; PQ = 38, tan __?__ = 38 / 475. QR = 4 ; PR = 17 ; PQ = 12, Sin __?___ = 12 / 176. QR = 36 ; PR = 59 ; PQ = 20, Cos __?___ = 36 / 597. QR = 82 ; PR = 63 ; PQ = 29, tan __?__ = 29 / 828. QR = 10 ; PR = 28 ; PQ = 8, Sin __?___ = 8 / 289. QR = 51 ; PR = 42 ; PQ = 9, tan __?__ = 9 / 5110. QR = 16 ; PR = 20 ; PQ = 17, Cos __?___ = 16 / 2011. QR = 12 ; PR = 84 ; PQ = 60, Sin __?_ = 60 / 8412. QR = 19 ; PR = 32 ; PQ = 45, Cos __? = 19 / 3213. QR = 76 ; PR = 27 ; PQ = 64, tan __ ?_ = 64 / 7614. QR = 26 ; PR = 48 ; PQ = 37, Cos __?_ = 37 / 4815. QR = 19 ; PR = 66 ; PQ = 23, Cos __?__= 23 / 66
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Solve △ABC using the given measurements. Round measures of
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Unit 7 Project
Solve △ABC using the given measurements. Round measures of
sides to the nearest tenth and measures of angles to the nearest
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II. find the exact values of the remaining five trigonometric functions for
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√3
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Find the missing Angle
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Los Angeles Pierce College Correlational Article Discussion
Find a news article on the Internet that discusses correlational research. For instance, look at the following example tha ...
Los Angeles Pierce College Correlational Article Discussion
Find a news article on the Internet that discusses correlational research. For instance, look at the following example that I found after a basic Google News search:
Vigorous Exercise Linked With Better Grades
Note that the title uses the word "linked" and not "caused" because correlational research can only investigate patterns and tendencies, not causal relationships. In my article, research is discussed in which students who exercised vigorously tended to get better grades. Importantly, it is not necessarily the case that exercise is causing higher grades for these students. Rather, it's possible that a third variable, such as personality, is causing both. For instance, students who are more conscientious may be more likely to exercise vigorously, and conscientious students may also be more likely to study hard and thus get better grades.
For this discussion assignment, post a link to your article and provide a very brief summary of the correlational findings. Be sure to indicate what two variables are correlated, whether it is a positive or a negative correlation, and whether you think any third variable(s) may be linked to the other two. Finally, discuss any other thoughts you have about the study. For instance, do you feel the author does a good job of avoiding claims about causality, given the correlational nature of the research? Are you surprised by the findings of the research? Do you feel the research is reliable and valid, as discussed by the author? You don't have to answer each of these questions.
Assess the appropriateness of using a simple random sample as the test’s sampling plan, discussion help
Review the important themes within the sub questions of each bullet point. The sub questions are designed to get you think ...
Assess the appropriateness of using a simple random sample as the test’s sampling plan, discussion help
Review the important themes within the sub questions of each bullet point. The sub questions are designed to get you thinking about some of the important issues. Your response should provide a succinct synthesis of the key themes in a way that articulates a clear point, position, or conclusion supported by research. You are designing a direct marketing campaign for an online clothing retailer. As part of your design, you quantify the expected response rates by ethnic group. Your definition of the term “ethnicity” follows that of the U.S. Census Bureau (e.g., Hispanic, Asian, African American, etc.). You want to test your campaign using 1,000 randomly selected households, but you want your sample to mimic the US population in terms of the proportion of different ethnicities (e.g., if Hispanics constitute about 12 percent of the US population, 12 percent of your sample should be Hispanic). Assess the appropriateness of using a simple random sample as the test’s sampling plan.Evaluate other potential sampling plans, and describe why such other sampling plans might be more or less appropriate than using a simple random sample. Support your discussion with relevant examples, research, and rationale. Your posting should be the equivalent of 1 to 2 single-spaced pages 500 words in length.
Unit 7 Trigonometric Functions project
Unit 7 Project
Solve △ABC using the given measurements. Round measures of
sides to the nearest tenth and measures of a ...
Unit 7 Trigonometric Functions project
Unit 7 Project
Solve △ABC using the given measurements. Round measures of
sides to the nearest tenth and measures of angles to the nearest
degree.
1. a = 7, A = 49°
2. A = 22°, c = 8
3. a = 7, c = 16
Rewrite each degree measure in radians and each radian measure
in degrees.
4. 275°
5. − 4
7π
Find the exact value of each expression. Write angle measures in
degrees.
6. cos(120°)
7. sec( ) 6
7π
8. Sin
1
( ) 2
√3
9. Arctan 1
10. Suppose Θ is in standard position whose terminal side lies in Quadrant
II. find the exact values of the remaining five trigonometric functions for
Θ for cos Θ = . 2
√3
State the vertical shift, amplitude, period, and phase shift of each
function. Then graph the function.
11. y = sin θ 3 3
4 +
12. y = 3 cos [2(θ + 60°)] − 1
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