Question

(A+20)°=
$\frac{ \sqrt{3} }{2} then \: find \: value \: of \: a$
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Answer 1

Step-by-step explanation:

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Answer 2

Given :

• (A+20°) = √3/2

To Find :

• Value of A

Solution :-

• if sin(A+20°) =√3/2

➡ sin (A+20°) = sin 60°

➡ A+20° = 60°

➡ A = 60°- 20° = 40°

• if cos(A+20°) = √3/2

➡ cos (A+20°) = cos 30°

➡ A+20° = 30°

➡ A = 30° - 20° = 10°

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