Question

in triangle ABC if angle B=90 and angle C= 30,then find the value of sin angle A

Answer 1

The answer to this question is√3/2

Answer 2

Answer: √3/2

In triangle ABC

angleABC+ angle ACB+ angle CAB=180°{all angles in a triangle add up to 180°}

90°+30°+CAB=180°

CAB=180°-(90°+30°)

CAB=180°-120°

CAB=60°

So, sin angle A

= sin 60°

=√3/2

So, value is √3/2..

Thanks..

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