If `sectheta=(2)/(sqrt(3))`,then find the value of`sec2theta`.

If cos theta=(sqrt(3))/2 then find the value of (1-sec theta)/(1+cosec theta)

If cos theta=(sqrt(3))/2 then find the value of (1-sec theta)/(1+cosec theta)

If tan theta =(1)/(sqrt(7)) , find the value of ("cosec"^(2)theta-sec^(2)theta)/("cosec"^(2)theta+sec^(2)theta) .

If costheta=(5)/(13) , then find the value of tan^(2)theta+sec^(2)theta . 0^(@)ltthetalt90^(@)&tantheta=sqrt(6+sqrt(6+sqrt(6+....oo))) , then find the value of sec^(2)theta .

If cot theta=sqrt(3), find the value of (cos ec^(2)theta+cot^(2)theta)/(cos ec^(2)theta-sec^(2)theta)

Solve: sec2theta=2/sqrt(3)

Solve: sec2theta=2/sqrt(3)

if sec theta+tan theta=2 then find the the value of sec theta.