θ is a positive acute angle and sin θ - cos θ = 0, then the value of sec θ + cosec θ is
2
If θ > 0, be acute angle, the value of θ in degrees satisfying
is:
90°
30°
45°
60°
D.
60°
If θ is acute angle and sin (θ + 18°) = 1/2, then the value of θ in circular measure is: