If 3 cotA=4,check whether 1-tan^2A/1+tan^2A=cos^2A-sin^2A or not
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Answered by
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Therefore
= ![cos^2A-sin^2A cos^2A-sin^2A](https://tex.z-dn.net/?f=cos%5E2A-sin%5E2A)
Step-by-step explanation:
Given, 3 cot A= 4
Then,
So,
L.H.S = R.H.S=
Therefore =
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6
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