V21 where 0 s0< 5 1) cos 0= Find sin 20

Q: snip

A:

Q: Show that sin-1 v + cos-1 v = π/2 .

A: Given: sin-1 v+cos-1 v=π2

Q: sinx = 5/13, x E 5,1], then cosx =?

A: We are solving the problem by the property of trigonometry ratio.

Q: What is the amplitude of y = 3 sin 2 x? 1

A: Given that: y=3sin2x

Q: If Cos √3 2 calculate the value of O = and tan 0 = . where 00 < 2TT.

A: we are given the values of two trigonometric functions, we need to find out the value of the angle…

Q: cos y` +y = tanck) %3D

A:

Q: Ptz 1. sin x secx = tanx 2. cos² x-sin2x-1-2 sin²x Pt₂

A:

Q: 3下 2 cos x 1-Sin x

A:

Q: Find sin 8. tan 0 = √2 w|n 3 cos 8>0

A: given  tanθ=-23,  cosθ&gt;0tanθ&lt;0  and  cosθ&gt;0, there for θ is in 4th quadrant

Q: Determine the value of  tanz if sinz + cos z=0.2 and pi>z<pi/2

A:

Q: for 0, where 0<0< 2n sin 0 = cos0 %3D

A:

Q: 4л coS 씀Cos 즙Cs -sin sin 15 15 15

A: We have to find the exact value cosπ15cos4π15-sinπ15sin4π15.

Q: 1 cose sin 0 2/3 2 csce: 3

A: Explanation and solutions is given below....

Q: 2270 d) V3 cosx + sin x = 0 (-2x, 0]

A: First, we rewrite the given equation in a more familiar form. The given equation…

Q: 2 sin (45)+ 4 cos A 3

A:

Q: Find sec2x if sin x = 6/10 and sec x < 0

A:

Q: 大 1-cos X P-V= 2

A:

Q: What is the period of the function y = 2 sin x + cos 2x?

A: Given function, y = 2 sin x + cos 2x

Q: w/N Find sin2x and cos2x given cot x x in QIII.

A:

Q: L{4 sin 5t + 7 cos 6t}

A:

Q: sin 20x sin 21x dx =

A: