Given: cosθ= 178 Find: , cosine, 2, thetaFind: cos2θ
Question
Given: cosθ= 178 Find: , cosine, 2, thetaFind: cos2θ
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Solution 1
The given value of cosθ is not valid. The value of cosine function for any angle lies between -1 and 1. Therefore, cosθ cannot be 178. Please check the given value again.
Solution 2
The given value of cosθ = 178 is not valid because the value of cosine function lies in the range -1 ≤ cosθ ≤ 1. Therefore, it's not possible to find cos2θ with the given value of cosθ.
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