Find the exact values of sin 2θ and cos 2θ for cos θ = 6/13

asked Apr 21, 2021 197k views

2 votes

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6 votes

Answer:

Explanation:

cos^-1(6/13)=62.5136°

sin(2*62.5136°)=0.8189

cos(2*62.5136°)=-0.5740

Rahul Ahire answered Apr 27, 2021