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If A = 30^(@), then Prove that : (i) s...

If `A = 30^(@)`, then Prove that :
(i) `sin 2A = 2 sin A cos A = (2 tan A)/(1 + tan^(2)A)`
(ii) `2 cos^(2)A - 1 = 1 - 2 sin^(2) A`

Text Solution

Verified by Experts

The correct Answer is:
(i) `(sqrt(3))/(2)`
(ii) `(1)/(2)`
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