English, asked by cnk16, 11 months ago

9. sin [2cos invers(3/5),

Answers

Answered by ansh65932
1

Answer:

sin106

Explanation:

sin[2cos^-1(3/5)]

=sin[2×53°]

=sin106

Answered by bswagatam04
1

cosx^{-1} 3/5=57x^{o}

sin2θ=2sinθ.cosθ

sin(2x57)=2sin57.cos57

               =2x3/5x4/5

               =24/25

: )

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