Sin(39)=Cos ( ? )

Q: cose = +V(sin?0 - 1) O +V(1 + sin?e) O +V(1 - sin?e)

A:

Q: sin? x 1- 1-cos x =-COS X

A: Here we have to use the basic trigonometric identity sin2θ+cos2θ =1 and we know that  a2-b2=…

Q: -p² sin(w) cos?(w) – p cos² (») -p2 sin(4).

A:

Q: Express cos (a) in terms of cos(2a). Express sin (a) in terms of cos(2a). cos² (a) COS sin (a)

A: (a) We have to express cos2α in terms of cos2α.

Q: Sin(x−6)=Cos(54) What does X = ?

A:

Q: (1 + cos ?)(1 − cos ?)=sin2 ?

A: TO SHOW 1−cosx1+cosx=sin2x

Q: cos x = sin 2x, x I SO 3.

A:

Q: if sin (-x) = -0.97, find cos ((pi/2)-x) if tan (-x) = -2.36, find cot (x - (pi/2)) if sec (x -…

A:

Q: sin(3x?) cos(6x²) dx

A: Given integral is, ∫xsin(3x2)cos(6x2)dx

Q: (cos A + sin A)/(cos A - sin A) = (1+ sin(2A))/ cos(2A)

A: