sin, cosine, and tangent

Mathematics
Tutor: None Selected Time limit: 1 Day

Find the sine of the angle in standard position in which the terminal side passes through the point (3, 4)

Find the sine of the angle in standard position in which the terminal side passes through the point (-5, 12)

Oct 20th, 2014

The remaining side = 5 (use Pythagoras or 3, 4, 5 triangle)

Sin of the angle = vertical/ hypotenuse  or y/r = 4/5

(square root (5^2 + 12^2)

and Sin of the angle = vertical/ hypotenuse  or y/r =  12/13

Oct 20th, 2014

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Oct 20th, 2014
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