# Trigonometry: Find the missing angle

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### Question Description

Directions: Find the missing angle in each of the following problems.

Directions: Find the missing angle in each of the following problems. 1. QR = 36 ; PR = 45 ; PQ = 21, Sin __?___ = 21 / 45 2. QR = 16 ; PR = 2 ; PQ = 8, tan __?__ = 8 / 16 3. QR = 15 ; PR = 28 ; PQ = 15, Cos __?__ = 15 / 28 4. QR = 47 ; PR = 64 ; PQ = 38, tan __?__ = 38 / 47 5. QR = 4 ; PR = 17 ; PQ = 12, Sin __?___ = 12 / 17 6. QR = 36 ; PR = 59 ; PQ = 20, Cos __?___ = 36 / 59 7. QR = 82 ; PR = 63 ; PQ = 29, tan __?__ = 29 / 82 8. QR = 10 ; PR = 28 ; PQ = 8, Sin __?___ = 8 / 28 9. QR = 51 ; PR = 42 ; PQ = 9, tan __?__ = 9 / 51 10. QR = 16 ; PR = 20 ; PQ = 17, Cos __?___ = 16 / 20 11. QR = 12 ; PR = 84 ; PQ = 60, Sin __?_ = 60 / 84 12. QR = 19 ; PR = 32 ; PQ = 45, Cos __? = 19 / 32 13. QR = 76 ; PR = 27 ; PQ = 64, tan __ ?_ = 64 / 76 14. QR = 26 ; PR = 48 ; PQ = 37, Cos __?_ = 37 / 48 15. QR = 19 ; PR = 66 ; PQ = 23, Cos __?__= 23 / 66

Borys_S
School: Purdue University

I solved for the angle values, please ask if something is unclear.A triangle 1 36/45/21 is not a right triangle because 36^2 + 21^2 = 1737 not = 45^2 = 2025.A triangle 2 16/2/8 does not exists because 2 + 8 < 16.

Directions: Find the missin...

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Anonymous
Tutor went the extra mile to help me with this essay. Citations were a bit shaky but I appreciated how well he handled APA styles and how ok he was to change them even though I didnt specify. Got a B+ which is believable and acceptable.

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