JEE MATHEMATICS MCQ: TRIGONOMETRY RATIOS

1 Easy

1 of 1

Application +4 | -1

\cos \,\,x - 24\,\,\sin x = \;\lambda \cos \,\,\left( {x + \alpha } \right),\,\;0 < \alpha < \frac{\pi }{2}

, be true for all

x\; \in R

, then

View answer and explanation

Correct option: A

\lambda = 25

Option A (

\lambda = 25

) is correct because by rewriting the given expression and comparing coefficients, we can find that

\lambda = 25

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