Math, asked by shreya8256, 1 year ago

if sin a=1/2 then find the value of cos^2a-sin^2a

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Answered by rajeshsrivastapb4ljf

2

Sin a=1÷2

a=30

cos 2a-sin2a

cos 60-Sin 60

3^1÷2-1÷2

(3^1÷2-1)÷2

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Answered by subaldas765

1

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