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Question
If `"cot"^-1 (sqrt"cos" alpha) - "tan"^-1 (sqrt"cos" alpha) = "x",` the sinx is equal to ____________.
Options
`"tan"^2 (alpha/2)`
`"cot"^2 (alpha/2)`
`"tan" alpha`
`"cot" (alpha/2)`
MCQ
Fill in the Blanks
Solution
If `"cot"^-1 (sqrt"cos" alpha) - "tan"^-1 (sqrt"cos" alpha) = "x",` the sinx is equal to `underline("tan"^2 (alpha/2))`.
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