Math, asked by nagarajgogre0125, 1 year ago

solve this plzzzzzzzz
If cos2x=cos60. cos30+sin60.sin30
, find sin2x

Answers

Answered by Prabhnoorsinghrehal

as cosa.cosb+sina.sinb =cos(a-b)

cos2x= cos(60-30)

cos2x=cos30

2x=30

x=15

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