If `sintheta+costheta=1` prove that `s i ntheta-costheta=+-1`

If sintheta + 2 costheta=1 ,then prove that 2sintheta-costheta=2 .

If sintheta + 2 costheta=1 ,then prove that 2sintheta-costheta=2 .

If sintheta - costheta = 1 , then prove that sintheta + costheta =+-1

If sintheta+costheta=1 , then Find sintheta.costheta

If sintheta-costheta=1 ,then find sintheta.costheta

Answer the following questions.If A=[[costheta,sintheta],[-sintheta,costheta]] ,prove that A^n=[[cos ntheta,sin ntheta],[-sin ntheta,cos ntheta]] , for all n in N

Prove that (sintheta)/(1+costheta)+(1+costheta)/sintheta=2cosectheta .

If Sintheta + Costheta = 1 Sintheta - Costheta = ?

If t a ntheta=a/b ,\ show that (a\ sintheta-b costheta)/(\ a\ sintheta+b\ costheta)=(a^2-b^2)/(a^2+b^2)

Prove the following sqrt{(1+costheta) /(1-costheta)} =(1+costheta) /sintheta=cosectheta + cottheta