Name: Ashlee
Who is asking: Student
Level: Secondary

Question: I am having problems doing this problem. Can you help?

Verify the identity: (1+cot2X)(1-cos2X)=2

Hi Ashlee,

The important identities you need are cos2x = cos2x - sin2x and sin2x + cos2x = 1.

Cheers,
Harley
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