y' = −cosec2x-cosec^2 x−cosec2x - −4sinx-4sinx−4sinx = -cosec^2 x + 4sinx
y = 62^5 = 916132832
y' = -5cos18−5x18-5x18−5x = -5cos18−5x18-5x18−5x
y' = −cosec2x-cosec^2 x−cosec2x - −4sinx-4sinx−4sinx = -cosec^2 x + 4sinx
y = 62^5 = 916132832
y' = -5cos18−5x18-5x18−5x = -5cos18−5x18-5x18−5x