Question

If sin a = 1/2 find the value of sin3a

Answer 1

Answer:

Sina=1/2 than sin 3a=1/2×3=3/2

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Answer 2

Step-by-step explanation:

we are given ,

SIN a = 1/2

we know that ,

sin 30° = 1/2

ACCORDING TO QUESTION

SIN 3 × 30° = ?

SIN 90° = 1

SO ,

SIN 3A = 1