" 7.If "sec x=-2" and "pi

if sec x=-2 " and " pi lt x lt .(3pi)/(2) find the values of all the other five trigonometric functions .

Find from the first principle, the derivative of f(x)=sec2x" at "x=(pi)/(8)

Find from definition the differential coefficients of the following : sec 2 x " at " x = (pi)/(6)

Maximum value of y=sec x "in" (pi//2,3pi//2) is

Draw the graph of sec x in (-pi //2, pi//2)

The minimum value of sec x, x in [(2pi)/(3),pi] is ……….

lim_ (x rarr (pi) / (2)) (sec x-tan x) / (pi-2x)

Find the derivatives of the following functions at the indicated points. cotx + sec^2 x - 5 at x = pi/6

Solve the following equations: 2 tan^-1(sinx) = tan^-1(2 sec x), x ne pi/2

Number of solutions of the equation tan x+sec x=2 cos, x, in {0, pi} is