sin 0°+ sin 10+ sin 20+ + sin 890+ sin 900 ... Evaluate the following: os 00+ cos 10+ cos 20+ + cos 890+ cos 900 cos ... А) 45.5 В) 1 с) 10 D) 0

Q: 10. Sec -405 degrees 12. Cot -90 degrees 14. cos 360 degrees  16. sin -225 degrees

A: 10)

Q: Rewrite the expression as a sum or difference a) sin52.5° sin97.5° b)prove the identity…

A: Hey, since there are multiple questions posted, we will answer the first question. If you want any…

Q: 1, Solve for o 0-2T (a) sine 2 W cos 28 = 8- %3D O Zsin e- =o - omis ce)

A:

Q: a) Is cos(2-30°) equal to cos² 30° - sin² 30° ? Yes or No. || b) Find the value of cos(230°).

A: a) cos ( 2.30°) = cos230 - sin230

Q: O) sinßcosa + cosßsina sin 60°cos 45° + Cos (G0°sin 45°

A:

Q: Using trignometrie formula Solve sin e + 2 cose =| for angles between o and 360°

A:

Q: vee 0t5 9518 35 cos (Se) dO 1 t Sinse)) -10

A: Apply substitution method to solve the definite integral.

Q: Algebra 2/ Module 11: Trigonometric Ident 5. If 180° < 0 < 270° and sin 0 , find sin 20. 17 240 289…

A:

Q: Part 3 of 4 COS X d —CSC X + С dx To check for the result, prove that 1 - cos?x

A:

Q: 11) cos x csc X tan x - 1 11) 12) cos2x - sin2x = 1 - 2 sin²x 12)

A:

Q: 85. Evaluate cos (90° – sin-1) a) + V15 2-V15 b) unde fined c) +V15 4-V15 2-V15 d) + e)

A: Given:

Q: 5 3元 1.) If cos(0): = and 2 <0≤2л, find the exact values of sin (0) and sin (20) using identities…

A:

Q: Question 5 What is the exact value of A B C 위~ SI 2 2 ㅠ 200(1) - 40%(1 COS D √6 2

A:

Q: b) (2 cos² B-1)² cos4 B-sin4 B = 1-2 sin² ß

A:

Q: 15. Simplify the expression cos (r)+cos²(r) tan²(r); (hint: you may write the expression in terms of…

A:

Q: If A is an angle in QIV such that sin A = to find cos A = cos B = sin (A - B) = cos(A - B) = = 27 3…

A:

Q: 11(cos123° + i sin 123°)*3(cos 43° + i sin 43°) *Perform the indicated operation and leave the…

A:

Q: 18) fin

A: