Which of the following is possible? `sintheta=5/3` (b) `tantheta=1002` `costheta=(1+p^2)/(1-p^2),(p!=+-1)` (d) `sectheta=1/2`

If sin^2theta_1+sin^2theta_2+sin^2theta_3=0, then which of the following is not the possible value of costheta_1+costheta_2+costheta_3? (a) 3 (b) -3 (c) -1 (d) -2

Prove that following identities (costheta)/(1+sintheta)=sectheta-tantheta

Prove that following identities sqrt((1+sintheta)/(1-sintheta))=sectheta+tantheta

Prove the following: (tantheta)/(sectheta + 1)= (sectheta-1)/(tantheta)

If sintheta+costheta=sqrt(3) , then prove that tantheta+cottheta=1

Prove that (sin(90^(@)-theta))/(1+sintheta)+(costheta)/(1-cos(90^(@)-theta))=2sectheta

If sintheta+costheta=p and sectheta+costheta=q , then prove that q(p^(2)-1)=2p

Prove that following identities (sintheta+sectheta)^(2)+(costheta+cosectheta)^(2)=1+(sectheta+cosectheta)^(2)

Prove that following identities (sintheta+sectheta)^(2)+(costheta+cosectheta)^(2)=1+(sectheta+cosectheta)^(2)

Prove that following identities sqrt((1+sintheta)/(1-sintheta))+sqrt((1-sintheta)/(1+sintheta))=2sectheta