Mht CetInverse Trigonometric FunctionsMHT CET 2026 19th April Morning ShiftMCQ+2 / -02026$\sum\limits_{k=1}^{2026} \sin^{-1}\left(\cos\dfrac{k\pi}{4}\right) =$A$-\dfrac{\pi}{4}$B$0$C$\dfrac{\pi}{4}$D$\dfrac{\pi}{2}$Check AnswerClear SelectionReveal AnswerShow Explanation