" pig an acute angle and "sin theta=cos theta," find the value of "

If theta is an acute angle and sin theta=cos theta, find the value of 2tan^(2)theta+sin^(2)theta-1

If theta is an acute angle and sintheta=costheta , then find the value of 2tan^(2)theta+sin^(2)theta-1 .

If theta is an acute angle and sintheta=costheta , find the value of 2tan^2theta+sin^2theta-1

If theta be positive acute angle sin3 theta=cos(2theta+15) ,find the value of theta .

If theta be a positive acute angle and tan theta=(a)/(b) , then find the value of (a sin theta-b cos theta)/(a sin theta+b cos theta).

If theta is an acute angle and tan theta+sec theta=1.5 find sin theta,tan theta and sec theta.

If theta and phi are acute angles, sin theta=1/2, cos phi= 1/3 , then the value of (theta + phi) is:

If theta is an acute angle and tan theta + sec theta = 1.5 , find sin theta, tan theta and sec theta .

If theta be an acute angle and 5 "cosec"theta = 7 , then value of sin theta + cos^2 theta - 1 = ______