Question

If sinA=1/2 then angle A =,,,,?

Acute angle only ( without a calculator

Answer 1

Sin A = 1/2

Sin 30 ° = 1/2

Sin A = Sin 30°

A= 30°

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Answer 2

Step-by-step explanation:

we know that ,

$sin \: \frac{\pi}{6} = \: \frac{1}{2}$

$\frac{\pi}{6} = {sin}^{ - 1} ( \frac{1}{2} )$

according to question

$sin \: a = \frac{1}{2}$

$a = \: {sin}^{ - 1} ( \frac{1}{2} )$

then

$a = \frac{\pi}{6}$

or. a = 30°