Question

If sin theta = cos theta, find the value of 3 tan theta+ 2 sin2 theta- 1

Answer 1

Answer:

Sin theta =cos theta

Sin 45=cos 45

So,theta =45

Then,

3tan square theta +2sin Square theta - 1=

3(1)^2+2(1/root2)^2-1

3*1+2*1/2-1

3+1-1

3