Question

using the formula, sin A= √ 1-cos2A /2, find the value of sin 30°
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Answer 1

Answer:

1/2

Step-by-step explanation:

sin30°=$\sqrt{1-cos30/2}$ = $\sqrt{(1-1/2)/2}$

=$\sqrt{1/4}$ = 1/2

Answer 2

Answer: thik hai ji where are u from