1)

If \(tanθ + cotθ = 5\), then the value of \(tan2θ + cot2θ \) is

SSC CGL 2016

A)

22

B)

23

C)

24

D)

25

2)

If θ be positive acute angle and \(5cosθ + 12sinθ = 13\), then the value of cosθ is

SSC CGL 2016

A)

\({5 \over 13}\)

B)

\({5 \over 3}\)

C)

\({15 \over 13}\)

D)

\({5 \over 12}\)