Question

if theta is equal to 30 degree then sin 2 theta is equal to​

Answer 1

Answer:

sin2A =2sinA.cosA

if A=30°

so sin2A= 2.1/2.root3/2

root3/2

is the right answer

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Answer 2

Answer:

(option a) √3/2  is the correct answer

Step-by-step explanation:

• In context to the given question, we have to find the value of sin 2θ.

GIVEN

θ = 30°

SOLUTION

as we know that,θ = 30°

sin 2θ = sin (2x30°)

⇒ sin (60°) = √3/2

Therefore, (option a) √3/2  is the correct answer .