Question

If tan theta = 3/4 then find cos square theta - sin square theta

Answer 1

Answer:

Hence, we can apply the Pythagoras theorem. Now, we have to find cos2θ−sin2θ. Therefore, we can say that when tanθ=34 ,cos2θ−sin2θ=725. Hence, the correct answer for this question is option (a).

Answer 2

Answer:

If tan theta = 3/4 then find cos square theta - sin square theta