2023HSCQ5Which of the following is the value of sin−1(sina)\sin^{-1}(\sin a)sin−1(sina) given that π<a<3π2?\pi<a<\frac{3\pi}{2}?
2023HSCQ7Which statement is always true for real numbers aaa and bbb where −1≤a<b≤1-1\leq a<b\leq1−1≤a<b≤1? A. seca<secb\sec a<\sec bseca<secb B. sin−1a<sin−1b\sin^{-1}a<\sin^{-1}bsin−1a<sin−1b C. arccosa<arccosb\arccos a<\arccos barccosa<arccosb D. cos−1a+sin−1a<cos−1b+sin−1b\cos^{-1}a+\sin^{-1}a<\cos^{-1}b+\sin^{-1}bcos−1a+sin−1a<cos1 markMultiple choice