# Trigonometry Quiz [ Beginners Level ] For SSC CGL : 13th December

Q1. If sec α + tan α = 2, then the value of sin α is (assume that 0 < α < 90°)
(a) 0.4
(b) 0.5
(c) 0.6
(d) 0.8

Q2. If θ is positive acute angle and 3 (sec² θ + tan² θ) = 5, then the value of cos 2θ is

Q3. The circular measure of an angle of an isosceles triangle is Circular measure of one of the other angles must be
(a) 5π/18
(b) 5π/9
(c) 2π/9
(d) 4π/9

Q4. The degree measure of 1 radian (π = 22/7)
(a) 57° 61’ 22” (approx.)
(b) 57° 16’ 22” (approx.)
(c) 57° 21’ 16” (approx.)
(d) 57° 62’ 16” (approx.)

Q6. If the sum and difference of two angles are 135° and respectively, then the value of the angles in degree measure are
(a) 70°, 65°
(b) 75°, 60°
(c) 45°, 90°
(d) 80°, 55°

Q10.If 3 sin θ + 5 cos θ = 5, then the value of 5 sin θ – 3 cos θ will be
(a) ±3
(b) ±5
(c) ±2
(d) ±1

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