what is the value of sin 75 + sin 15
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sin 75+sin 15
=sin 75+cos 75
=1
=sin 75+cos 75
=1
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2sin(75+15)/2 cos(75-15)/2
=sin90cos60/2
=1*cos30
=(3/2)^1/2
=sin90cos60/2
=1*cos30
=(3/2)^1/2
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