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For any real θ, the maximum value of cos^2 (cosθ) + sin^2 (sin θ) is

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For any real θ, the maximum value of cos2 (cosθ) + sin2 (sin θ) is

(a) 1

(b) 1+sin21

(c) 1+cos21

(d) 1/2

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1 Answer

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Best answer

Correct option (b) 1+sin21

Explanation:

Now seeing the options 1 + sin21 is greater than all other options. 

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