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The value of `sin^(-1) (sin 12) + cos^(-1) (cos 12)` is equal toA. zeroB. `24 - 2pi`C. `4pi -24`D. none of these |
Answer» Correct Answer - A `sin^(-1) (sin 12) + cos^(-1) (cos 12)` `= sin^(-1) (sin (12 - 4pi)) + cos^(-1) (cos (4 pi - 12))` `= 12 - 4pi + 4pi - 12 = 0` |
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