prove 2csc(2x)= csc(x)^2tanx

1 answer

L.H. Side:
2 csc(2x) = 2/sin(2x)
= 1/(sinx cosx)

R.H. side:
csc(x)^2 tan x = (1/sin^2x)(sinx/cosx)
= 1/(sinx cosx)

q.e.d.

Similar Questions

Prove:sin^2(x/2) = csc^2x - cot^2x / 2csc^2(x) + 2csc(x)cot(x) On the right, factor the numberator as a difference of two
1. 0 answers
We have to solve for the problem below to make sure that it is equivalent to 2csc(x). However, I keep getting 2/2sin(x) and not
1. 1 answer
Prove :cosx-cosy= -2sin(x+y/2)sin(x-y/2)Prove: 2cot-2tanx= 4-2sec^2x / tanx
1. 1 answer
prove the ff:a.) sin(x/2) - cos(x/2) = +-sqrt(1 - sin(x)) b.) tan(x/2) + cot(x/2) = 2csc(x) HELP PLEASE!!
1. 0 answers