Prove that:(1-cos2a) / (1+cos2a) is equal to tan2a
Prove that:
(1-cos2a) / (1+cos2a)
is equal to tan2a
Vaibhav , 9 Years ago
Grade 11
Trigonometry> Prove that: (1-cos2a) / (1+cos2a) is equa...
1 Answers
Himanshu
What I suppose your question should be (1-cos2a) / (1+cos2a) = tan2a
Now, L.H.S. = 2sin2a / 2cos2a = tan2a = R.H.S.
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