3 years ago

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

1 answer:

4 0

Answer:

Step-by-step explanation:

cos^-1(6/13)=62.5136°

sin(2*62.5136°)=0.8189

cos(2*62.5136°)=-0.5740

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