Question

If tan theta = 12/13 then evaluate 2Sintheta Costheta/Cos^2theta - Sin^2 theta

Answer 1

Answer:

1. solve:(-8/9×1/-5)+(-8/9×-7/11)=-8/9×(1/-5+-7/11).fast .I will mark you bl . please give answer in photo

Step-by-step explanation:

• solve:(-8/9×1/-5)+(-8/9×-7/11)=-8/9×(1/-5+-7/11).fast .I will mark you bl . please give answer in photo

Answer 2

Given tanθ=1312

cos2θ−sin2θ2sinθcosθ=cos2θsin2θ=tan2θ=1−tan2θ2tanθ=1−1691442×1312=169251324=2524×13=25312