If sinθ + cosθ = 1/2 then 16(sin2θ + cos4θ... | Trigonometry | JEE Main

JEE MAIN 2021

27-07-21 S1

Question

If $\sin \theta+\cos \theta=\frac{1}{2}$, then $16(\sin (2 \theta)+\cos (4 \theta)+\sin (6 \theta))$ is equal to :

Select the correct option:

A

23

B

-27

C

-23

D

27

✓ Correct! Well done.

✗ Incorrect. Try again or view the solution.

Solution

Question Tags

JEE Main

Mathematics

Medium

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