Math, asked by mrina123, 1 year ago

Prove that :-
4(sin^4 30° +cos^4 60°) -3(cos^2 45° -sin^2 45°)= 2

Answers

Answered by shpriyanshu
3
your question is rung .....
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mrina123: yes at last it is sin^2 90
mrina123: m sry for mistake
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