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If sin x=3/5 where 0< x …

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If sin x=3/5 where 0< x <π/4,then find cos2x

Posted by Saday Samanta 4 years ago

CBSE > Class 11 > Mathematics

2 answers

Keshav Bindal 5 years, 2 months ago

Cos2x = 1-2Sin square x = 1- 2(3/5)^2 = 1- 18/25 = 7/25

Akash Choudhary Dav Gandhinagar 5 years, 2 months ago

Are ye que mera xam m aaya tha aaj My answer was 7 / 25

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