30o
45o
60o
9o
Correct answer is C
4 sin2x - 3 = 0
sin2x = 34
Sin x = ± √34
= ± √34
= 60o
What is the circumference of latitude 0°S if R is the radius of the earth?...
Find the coefficient of m in the expression of (m2−112) (m + \(\frac{2}{3}\...
The shaded area represents ...
If tan α = 12 and tan β = 13 and both α and β are acute, find tan (α ...
If c and k are the roots of 6 - x - x2 = 0, find c + k...
The arc of a circle 50 cm long, subtends angle of 75° at the center of the circle. Find cor...
Find the value of k if 5+2r(r+1)(r−2) expressed in partial fraction is \(\frac{k}...
If the volume of a cube is (8 x 103)cm3, what is the surface area the cube?...
A surveyor walks 500m up a hill which slopes at an angle of 30o. Calculate the vertical height ...
The graph of the relation y = x2 + 2x + k passes through the point (2, 0). Find the values of k ...