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Derive the value of sin18

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Derive the value of sin18

Posted by Vikas Maurya 5 years, 1 month ago

CBSE > Class 11 > Mathematics

1 answers

Nikhita V 5 years, 1 month ago

Let A = 18. Then Sin 5A=1 which means that sin (2A+3A)=1. Put the formula and solve

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Posted by Akshat Singla 12 hours ago

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