71) If \(sec A = {5\over4}\) , then the value of \(\rm \frac{\tan A}{1 + \tan^2A} - \frac{\sin A}{\sec A}\)is: SSC CGL 2022 A) 0 B) 1 C) 2 D) 3
If \(sec A = {5\over4}\) , then the value of \(\rm \frac{\tan A}{1 + \tan^2A} - \frac{\sin A}{\sec A}\)is:
0
1
2
3
72) If \(cos θ + cos^2θ =1\), find the value of \(\sqrt{\sin^4θ + \cos^2θ}\) SSC CGL 2022 A) \(\sqrt{2}cos θ \) B) \(\sqrt{2} sin θ\) C) 2cos θ D) 2sin θ
If \(cos θ + cos^2θ =1\), find the value of \(\sqrt{\sin^4θ + \cos^2θ}\)
\(\sqrt{2}cos θ \)
\(\sqrt{2} sin θ\)
2cos θ
2sin θ