If tan2 45° - cos2 30° = x sin 45° cos 45°, then x =

Given,tan2 45° - cos2 30° = x sin 45° cos 45° …….(i)put the values in equation (i),

Q10 of 143 Page 6

If tan² 45° - cos² 30° = x sin 45° cos 45°, then x =

Given,

tan² 45° - cos² 30° = x sin 45° cos 45° …….(i)

put the values in equation (i),

If θ is an acute angle such that tan² θ = 8/7, then the value of is

If 3cos θ = 5 sin θ, then the value of is

The value of cos² 17° - sin² 73° is

The value of is