Question

Find the value of 2 tan θ + cos square θ, if θ=45 degree ​

Answer 1

See this. Hope it helps..

Answer 2

wkt theta is 45°

tan45°=1

cos45°=1/root2

2tan45°+ cos^245°

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

2+1/2

4+1/2

5/2