If ` sin theta = cos (theta - 45^(@)), " where " theta " is acute, find the value of " theta.`

If cos theta = (3)/( 5) , where ' theta ' is an acute angle. Find the value of sin theta .

If cos theta = (3)/( 5) , where ' theta ' is an acute angle. Find the value of sin theta .

If sqrt(3) sin theta = cos theta and theta" is an acute angle, find the value of " theta.

If sin 3 theta = cos (theta-6^@) where 3 theta and theta-6^@ are acute angles, find the value of theta .

If sin 5 theta = cos 4 theta where 5 theta and 4 theta are acute angles, find the value of theta .

If sin5 theta=cos4 theta, whre 5 theta and 4 theta are acute angles,find the value of theta .

If sin^(2) theta +2 cos^(2) theta + 3 sin^(2) theta + 4 cos^(2) theta+….+ 40 term =405 where theta is acute, then find the value of tan theta .

If 1+ cos theta =k where theta is acute, then the value of sin ""theta/2 is-

If sin theta = cos (theta-45°) , where theta and theta- 45° are acute angles, find the degree measure of theta .

If cos2theta=sin4theta , where 2theta and 4theta are acute angles, find the value of theta .