1 − tan 2 x
Prove that = cos x2 .
1 + tan 2 x
Mathbot Says...
I wasn't able to parse your question, but the HE.NET team is hard at work making me smarter.
1 − tan 2 x
Prove that = cos x2 .
1 + tan 2 x
I wasn't able to parse your question, but the HE.NET team is hard at work making me smarter.