`(sectheta+tantheta-1)(sectheta-tantheta+1)=`

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

(sectheta+tantheta)(sectheta-tantheta)= ……………

Prove that : (i) (1)/(sectheta-tantheta)+(1)/(sectheta+tantheta)=2sectheta " " (ii) ("cosec "theta+cottheta)/("cosec "theta-cottheta)=("cosec "theta+cottheta)^(2)

Prove that : (i) (1)/(sectheta-tantheta)+(1)/(sectheta+tantheta)=2sectheta " " (ii) ("cosec "theta+cottheta)/("cosec "theta-cottheta)=("cosec "theta+cottheta)^(2)

If (sectheta+tantheta)/(sectheta-tantheta)=2(51)/(79) , then sintheta will be-

If (sectheta+tantheta)/(sectheta-tantheta)=(5)/(3) , then sintheta is equal to

Prove that sqrt((sectheta-tantheta)/(sectheta+tantheta))=sectheta-tantheta .

Prove that: (sectheta-tantheta)/(sectheta+tantheta)=1-2sectheta.tantheta+2tan^(2)theta

Prove the following identities: (sectheta-tantheta)/(sectheta+tantheta)=1-2secthetatantheta+2tan^2theta

Prove that sectheta(1-sintheta)(sectheta+tantheta)=1