SOLUTION: Prove the identity: Sin2x (tan x + cot x) = 2 Thanks
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Question 821182
:
Prove the identity:
Sin2x (tan x + cot x) = 2
Thanks
Answer by
lwsshak3(11628)
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Prove the identity:
Sin2x (tan x + cot x) = 2
start with left side:
..
..
..
.,
verified: left side=right side