1 + sin 4x cos 4x + C 8. 13.

Q: Sinxtsina3x COSX+ COS 32 tan 22

A:

Q: √3+2 px/3 ² √²³ (2² 10 (2 cos 0 - 3 sin 30) de dr

A:

Q: r=2(9+1)sin0

A: Since  Sin (0) = 0

Q: (sin 5x + cos 5x)

A:

Q: Evaluate sin (3x) cos (6x) dx Select one: cos(9r) A cos(3r) tC 18

A:

Q: -10: Simplify. 9. (1– cosx)(cscx + cotx)

A: Simplify  (1-cosx)(cosecx+cotx)

Q: 2 1 + cos2x can be simplified to: O sin²x O csc² x O cos²x O sec² x

A:

Q: I+ Sin2X t Cos 2x COSX

A: Given,           1+sin2x+cos2xcosx

Q: Cos(10+x)

A: Here , We will apply the formula of Cos ( A+B) Cos(A+B) = [CosA CosB - SinA SinB ]

Q: Simplify. cos(-4x) · cos 2x – sin(-4x) · sin 2x cos(-2x_ sin(-6x) cos(-3x) cos(-x)

A: Using Cos(A+B) formula

Q: 9=3 Sin 2X 2.

A: answer is in next step

Q: 6T cos 8 de : so O o o O

A: Here we will solve the  given integral,

Q: What are the differences between cosx and cos ¹x

A:

Q: (7cosx-sinx)2 + (cosx+7sinx)2 = 50 Verify the identity.

A: Given,

Q: 1+cos4x 1. 1-cos4x -csc2xdx

A:

Q: Evaluate cos-1 (2+3i).

A: I am going to solve the given problem by using some simple trigonometry to get the required result…

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 cos²(4y) - sin²(4y)

A: