1.

Write the value of sin {\(\frac{\pi}3\) - sin-1(\(-\frac 12\))}.

Answer»

Given sin (π/3 – sin-1 (-1/2))

We know that sin-1 (-θ) = -sin-1 θ

= sin (π/3 + sin-1 (1/2) 0)

= sin (π/3 + π/6)

= sin (π/2)

= 1

∴ sin (π/3 – sin-1 (-1/2)) = 1



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