Prove the identity by transforming the left side of the equation to match the right side. Do not manipulate both sides. Work with the left side only!  1+ tanx / 1 - tanx = cos(2x) / 1 - sin(2x)

Q: хах 3. S cos (2-3x2)

A: To evaluate the integral ∫x dxcos2-3x2.

Q: Find if sin x + 1 = cos y dx2

A:

Q: if x+1/x=2,find sin-1x

A: Given,

Q: How does sin(2x + (pi/2)) equal cos(2x) ?

A:

Q: Show that Cosx dx 9- Sin 3D

A:

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

A: Given,

Q: Create a left side right side check for the following equation, cos(x) / 1-sin(x)+cos(x) / 1+sin(x)=…

A:

Q: Simplify: cos(2x)−1/sin2x

A: We have to simplify

Q: 2 2- Find if y = dx sin2x sinx

A:

Q: Find sin (x- π/2) if cos x=0.65

A: On solving this we will get

Q: Simplify cos²(4y) - sin²(4y)

A: