If P = sin 20 θ + cos 48 θ, then the inequality that holds for all values of θ is

If P = sin20 θ +... - Solved

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Question 10

Mathematics Trigonometric Equations Hard

If P = sin20 θ + cos48 θ, then the inequality that holds for all values of θ is

(A) P ≥ 1

(B) 0 < P ≤ 1

(C) 1 < P < 3

(D) 0 ≤ P ≤ 1

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Correct Solution: Option B

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