Asked by Kyler
prove 2csc(2x)= csc(x)^2tanx
Answers
Answered by
drwls
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.
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.
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