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I need HELP Verify the identity

Cot3X/CSCX=cosX(csc2X-1)

1 answer

testing if x = 20ยบ
LS = cot60/csc20
= sin20/tan60 = .1975
RS = cos20(1/sin40 - 1)
= .5222

Your equation is NOT an identity.

A check should always be your first step when proving complicated-looking trig "identities".
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