" If "sin theta=(1)/(2)," find the value of "3cos theta-4cos^(3)theta

If cos ec theta=(13)/(12), find the value of (2sin theta-3cos theta)/(4sin theta-9cos theta)

If tan theta=(4)/(3), find the value of (5sin theta+2cos theta)/(3sin theta-cos theta)

If sintheta+sin^(2)theta+sin^(3)theta=1 , then find the value of cos^(6)theta-4cos^(4)theta+8cos^(2)theta .

If sec theta=4 , find the value of cos theta/(4cos^2 theta+3sin^2 theta) .

If sin theta - (4)/(5) and Cos theta = (3)/(5) find the value of Sin^(2) theta + cos^(2) theta

If cot theta = (3)/(4) find the value of : ( sin theta- cos theta)/(sin theta+cos theta)

If cot theta = (3)/(4) find the value of : ( sin theta- cos theta)/(sin theta+cos theta)

If 3tan theta=4, find the value of (4cos theta-sin theta)/(2cos theta+sin theta)

If sin theta_1 + sintheta_2 + sin theta_3=3, then find the value of cos theta_1 + cos theta_2 + cos theta_3.