answer the question no 3 given in image
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here is your answer for Q.no. 3
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payalperiwal79:
ohh
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Take A as theta
Sin A=1
Sin A=Sin 90
A=90
Sin 9A
Sin 9×90
Sin 810
=1 ANSWER
Sin A=1
Sin A=Sin 90
A=90
Sin 9A
Sin 9×90
Sin 810
=1 ANSWER
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