Inequality relationship between trigonometric functions
Question: (1) The range of \(x\) is: \(0^o \leq x \leq 180^o\). Solve \(\cos^4 x > \sin^4 x\). (2) The […]
Question: (1) The range of \(x\) is: \(0^o \leq x \leq 180^o\). Solve \(\cos^4 x > \sin^4 x\). (2) The […]