Simplify 12 sin 8x cos 8x

Q: Evaluate sin 110° sin 250° + cos 540° cos 290° cos 430° cos² 1260°

A:

Q: Write an equivalent expression for cos4 θ that does not involve any powers of sine or cosine greater…

A: Write an equivalent expression for cos4θ that does not involve any powers of sine or cosine greater…

Q: Evaluate p3 sin 0 do dr.

A: Double integal

Q: Write 5 sinx – 12cosx in the form ksin(x + a).

A: Given expression is: 5 sin x-12 cos x ............................ (1) We have to write the above…

Q: cos(920)

A: use trigonometric identity

Q: Evaluate V2 cos sin-! 2.

A:

Q: Evaluate 3 L, cos¹ (2+1) dr. -1

A: l have given the answer in the next step. Hope you understand that

Q: Simplify 3k(cos2 theta + cos theta)

A: The given expression is 3kcos2θ+cosθ . The identity of trigonometry is cos 2x=2cos2x-1. Our…

Q: Write sin 5x cos 9x as a sum or difference. Express your answer with even/odd properties applied.

A:

Q: 2370  +  Sin 253 0=

A: Sin253° = -0.9563