" If "sin x=(3)/(5)" and "0

If sin x = (3)/(5), 0 le x le 90^(@) , then the value of cot x.sec x is :

If sin x=(sqrt(5))/(3) " and " 0 lt x lt .(pi)/(2) find the values of (i) " sin " 2x " ""(ii) cos 2x "" ""(iii) tan 2x "

If f(x) ={:{((sin 3x)/(sin 5x)", "x ne 0),(0", " x= 0):}, then discuss its continuity at x= 0. .

If f(x) ={:{((sin 3x)/(sin 5x)", "x ne 0),(0", " x= 0):}, then discuss its continuity at x= 0. .

If f(x) = {((3sin pix)/(5x), ",",x != 0),(2k, ",",x = 0):} is continuous at x = 0, then the value of k is equal to

If f(x) = {((3sin pix)/(5x), ",",x != 0),(2k, ",",x = 0):} is continuous at x = 0, then the value of k is equal to

Evaluate: lim_(x rarr 0) (sin 2x + sin 6x)/(sin 5x - sin 3x)

underset(x to 0)"Lt" (sin 5x-sin 3x)/(sin 4x-sin 2x)=