![Evaluate sin(pi/6 + sin^-1 (-1/2) ) - Maths - Inverse Trigonometric Functions - 16661935 | Meritnation.com Evaluate sin(pi/6 + sin^-1 (-1/2) ) - Maths - Inverse Trigonometric Functions - 16661935 | Meritnation.com](https://s3mn.mnimgs.com/img/shared/content_ck_images/ck_60a28e6d02bef.jpg)
Evaluate sin(pi/6 + sin^-1 (-1/2) ) - Maths - Inverse Trigonometric Functions - 16661935 | Meritnation.com
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trigonometry - About proof: $\cot^{-1}\left(\frac{\sqrt{1+\sin x}+\sqrt{1-\ sin x}}{\sqrt{1+\sin x}-\sqrt{1-\sin x}}\right)=\frac x2$ - Mathematics Stack Exchange
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