4. (a) cos=- -5/3 and sin >0, tan = 5 11 (b) (c) √11 5 (d) √11 6

Q: 3 4) Find / sin (2x) cos (2x)dx

A:

Q: (b) S tan3 x sec² x dx c) S sin³x cos5 x dx

A: The explanation of the solution is :

Q: 4 sec(8) = find cot(0) 2

A: Use trigonometric rations

Q: If cos(t) = 1. cos(2t) 4 = 2. sin(4t) = || || = where t = [0, 90], determine

A:

Q: 2" cos(r) dr.

A:

Q: Find sin (x) if sec (x) sin (x) A = B = B = 26 24' where tan > 0. Put your answer in reduced form.

A:

Q: 음 (sin-" (2))\_-+ = (교2)) | dx 2(:) A 1+ 2() B (C 2 (4) cos-1 (16) D -2 (금) cot () csc(6) CSC

A:

Q: cos(4x) cos(2x) sin(4x) sec(2x) 12. Verify: - sin(2x)

A: cos(2x ) =cos2(x)-sin2(x) = 2cos2(x)-1 =1-2sin2(x) sin(2x) = 2sin(x) cos(x)

Q: If csc(x)=8, for 90 degrees<(x)<180 degrees, then what is sine(x/20, cos(x/2), and tan(x/2)?

A:

Q: -7) 6 (b) csc (-7) (c) tan(–7 6 (a) cos

A:

Q: #1) Solve: 2 cos²x − cos x = 1 on [0,2π) —

A: Given ,  2cos^2(x) - cos(x) =1 on [0,2pi)   Substitute  u  for  cos⁡(x) .  2(u)2−(u)=1…

Q: cos 0 = √√2 -|~

A: Let's find angle theta.

Q: 1. / cos" (2t) sin² (2t) dt

A: 1.