JEE MATHEMATICS MCQ: TRIGONOMETRY RATIOS

1 Easy

1 of 1

Application +4 | -1

\frac{\cos A}{3}=\frac{\cos B}{4}=\frac{1}{5},-\pi / 2< A, B < 0

, then value of

2 \sin A+4 \sin B

is equal to

View answer and explanation

Correct option: C

-4

Option C (-4) is correct because by finding sinA and sinB using the given information and substituting them into the expression, the result is -4.

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