(1+tan theta)^(2)-sec^(2)theta=2tan theta

sec^(2)theta=1-tan2 theta

Find the values of theta in the interval (-(pi)/(2),(pi)/(2)) satisfying the equation (1-tan theta)(1+tan theta)sec^(2)theta+2^(tan^(2)theta)=0

If (1-tan theta)(1+tan theta)sec^(2)theta+2^(tan^(2)theta)=0 then in the interval (-(pi)/(2),(pi)/(2)), the value of theta is

Show that (1)/(3) lt (sec^(2) theta - tan theta)/( sec^(2) theta+ tan theta) lt3 .

If (1-tan theta)(1+tan theta)sec^2 theta+2^(tan^2 theta)=0 then in the interval (-pi/2,pi/2), the value of theta is

If (1-tan theta)(1+tan theta)sec^2 theta+2^(tan^2 theta)=0 then in the interval (-pi/2,pi/2), the value of theta is

Show that: (sec^(2)theta-tan theta)/(sec^(2)theta+tan theta) lies between 3 and (1)/(3)

Prove that (sec^(2)theta-tan theta)/(sec^(2)theta+tan theta) lies between 3 and (1)/(3).

Show that (sec^(2)theta-tan theta)/(sec^(2)theta+tan theta) lies between (1)/(3) and 3.

(1+tan^(2)theta)/(sec^(2)theta)=