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Question
`"cos" (2 "tan"^-1 1/7) - "sin" (4 "sin"^-1 1/3) =` ____________.
Options
1
0
`1/2`
`-1/2`
MCQ
Fill in the Blanks
Solution
`"cos" (2 "tan"^-1 1/7) - "sin" (4 "sin"^-1 1/3) =` 0.
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