Math, asked by amanverma07778, 5 months ago

Find the value of Cos2 when Cos =15/17

Answers

Answered by satyamkumar5428
0

Answer is :-

 \sqrt{ \frac{15}{17} }

Answered by muhammedanas2504
0

Answer:

cosθ = 15/17.

cos2θ = 2cos²θ-1 = 2× (15²/17²) - 1 = 0.55

cos2θ = 0.55.

Step-by-step explanation:

Hope it helps. Thank you.

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