Questions Asked

pcorn:
sin²θcos²θcosθ=1. Find all solutions in the interval [0,2π).
 updated 2 years ago
 18 replies
 1 Medal

pcorn:
cos x/2 = cos x. find all solutions in the interval [0,2π)?
 updated 2 years ago
 2 replies
 1 Medal

pcorn:
csc h/ (tan h + cot h). Express in terms of sin h and cos h and simplify.
 updated 2 years ago
 3 replies
 1 Medal

pcorn:
sin 4x = 4 sin x cos³x4sin³x cos x. Show as an identity.
 updated 2 years ago
 14 replies
 1 Medal

pcorn:
sin (A+B)/sin(AB)=cot A + cot B/cot A  cot B.
Show this is an identity.…
 updated 2 years ago
 5 replies
 No Medals Yet

pcorn:
sin 4x = 4 sin x cos³x4sin³x cos x. Show as an identity.
 updated 2 years ago
 No Medals Yet

pcorn:
Show this is an identity.
sin (A+B)/sin(AB)=cot A + cot B/cot A  cot B.
I so don't like these!
 updated 2 years ago
 No Medals Yet

pcorn:
cos²β(1+tan²β)=1. Show this is an identity. I have so much trouble with these....
 updated 2 years ago
 6 replies
 No Medals Yet

pcorn:
(1cos²θ)(1+cos²θ)=2sin²θsin⁴θ. Need to show this is an identity.
 updated 2 years ago
 1 reply
 No Medals Yet

pcorn:
csc α  sin α =cos α cot α
How do I show that this is an identity?…
 updated 2 years ago
 4 replies
 1 Medal

pcorn:
Given cos 2θ=1/2 and 2θ ends in quadrant II. Find cotθ
 updated 2 years ago
 1 reply
 1 Medal

pcorn:
2 sin u cos u  2√2 sin u  cos u +√2=0. Find all solutions in the interval {0,360°).
 updated 2 years ago
 2 replies
 No Medals Yet

pcorn:
tan^4 h 1 I need to express this in terms of sin h and cos h and simplify. I typed it wrong earlier. Sorry.
 updated 2 years ago
 3 replies
 1 Medal

pcorn:
sec h + tan h. I need to express in terms of sin h and cos hand simplify. any help?
 updated 2 years ago
 2 replies
 1 Medal

pcorn:
cos x/2 = cos π. find all solutions in the interval [0,2π)?
 updated 2 years ago
 1 reply
 No Medals Yet

pcorn:
cos x + (sin x)(tax x) = sec x. I need to show that this is an identity.
 updated 2 years ago
 1 reply
 No Medals Yet

pcorn:
tan^4 h 1 I need to express this in terms of sin h…
 updated 2 years ago
 3 replies
 No Medals Yet