[Video Solution] Let f_k(x)=\dfrac1k(\sin^kx+\cos^kx) where x\in\mathbbR and k\ge 1.
Then f_4(... | ASPIRE STUDY
Let f_k(x)=\dfrac1k(\sin^kx+\cos^kx) where x\in\mathbbR and k\ge 1.
Then f_4(x)-f_6(x) equals : | Watch the step-by-step video solution for this NIMCET PYQ.