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Question

For any value of θ the maximum value of 5 + 4 sin θ is

(a) 9

(b) 1

(c) 0

(d) 5

WBBSE Class X Mathematics Trigonometric Ratios And Trigonometric Identities 01 Mark 2023

Answer

(a) 9

Explanation

5 + 4 sin θ [ax value of sin θ = 1]

= 5 + 4 × 1

= 9

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