write the value of sin2 30+cos2 60
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11
Answer:
Step-by-step explanation:
The exact value of sin(30) is 12 . The exact value of cos(60) is 12 . Multiply 12⋅12 1 2 ⋅ 1 2 . Multiply 12 1 2 and 12 1 2 .
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Answered by
33
Answer:
we know that,
sin 30°=1/2,Cos60°=1/2
Now sin²30+cos²60=1/2×1/2+1/2×1/2
=1/4+1/4
=2/4=1/2
Step-by-step explanation:
Hope it helps.....
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