sin square 15° + sin square 75° is
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Answer:
1
Step-by-step explanation:
Since,
sinX=cos(90-x)
sin^2x=cos^2(90-x)
Therefore,
sin^2(75)=cos^2(15)
On Applying the above identity,
=sin^2(15)+sin^2(75)
=sin^2(15)+cos^2(15)
=1
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