Question

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Answer 1

Given that : A = 30°

As we know that : sin30° = 1/2

Then, sin2A = sin2×30 = sin60° = √3/2

We have to find the ratio of 2sinA and sin2A then,

$\frac{2sin30}{sin60} = \frac{2 \times \frac{1}{2} }{ \frac{ \sqrt{3} }{2} } = \frac{2}{ \sqrt{3} }$

So, the ratio will be 2:√3

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Answer 2

Answer:

using value of trigonometric function by putting value of the theta.

ratio is 2/√3

Step-by-step explanation:

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