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SSC CHSL 2021 objective Ques (100 results)
41)

If \(\rm \sec\left(90^{\circ}-\frac{3θ}{2}\right)=\sqrt2\) , 0° < θ < 90°, then the value of 2sinθ + 4cos2θ will be:

, Avg: 00:20 , 50%✓ SSC CHSL 2021
A)

3

B)

4

C)

2

D)

6

42)

If \( \rm \frac{\sin θ+\cos θ}{\sin θ-\cos θ}=3\), then the value of sin4 θ - cos4 θ is equal to:

SSC CHSL 2021
A)

\(\frac{4}{5}\)

B)

\(\frac{3}{5}\)

C)

\(\frac{1}{5}\)

D)

\(\frac{2}{5}\)

43)

If \(cosθ = \frac{4x}{1 + 4x^2}\), then what is the value of sin θ ?

, Avg: 01:22 , 66%✓ SSC CHSL 2021
A)

\(\frac{1 - 4x^2}{4x}\)

B)

\(\frac{1 - 4x^2}{1+4x^2}\)

C)

\(\frac{1 + 4x^2}{1-4x^2}\)

D)

\(\frac{1 + 4x^2}{4x^2}\)

44)

If (sin A - cos A) = 0, then what is the value of cot A?

, Avg: 00:28 , 80%✓ SSC CHSL 2021
A)

1

B)

π/4

C)

0

D)

π/6

45)

If \(cosecθ = \frac{41}{9}\) and θ is an acute angle, then the value of 5 tan θ will be:

, Avg: 00:51 , 100%✓ SSC CHSL 2021
A)

\(\frac{7}{8}\)

B)

\(\frac{9}{8}\)

C)

\(\frac{11}{8}\)

D)

\(\frac{13}{4}\)

46)

Solve the following equation and find the value of θ.
3cot θ + tan θ - 2√3 = 0, 0 < θ < 90°

, Avg: 00:38 , 92%✓ SSC CHSL 2021
A)

45°

B)

15°

C)

60°

D)

30°

47)

In Δ ABC, ∠A = 90°, AB = 20 cm and BC = 29 cm. What is the value of (sinB – cotC)?

, Avg: 01:24 , 50%✓ SSC CHSL 2021
A)

\(- \frac{9}{{29}}\)

B)

\(\frac{9}{{29}}\)

C)

\(- \frac{189}{{580}}\)

D)

\(\frac{189}{{580}}\)

48)

If 2cos2θ = 3 (1 – sinθ), 0° < θ < 90°, then what is the value of (tan2θ + cosec3θ - sec2θ)

, Avg: 00:33 , 100%✓ SSC CHSL 2021
A)

\(\sqrt 3 + 1\)

B)

\(\frac{{1 - \sqrt 3 }}{{\sqrt 3 }}\)

C)

\(\sqrt 3 - 1\)

D)

\(\frac{{1 + \sqrt 3 }}{{\sqrt 3 }}\)

49)

If tan x = cot (48° + 2x), and 0° < x < 90°, then what is the value of x?

, Avg: 00:38 , 80%✓ SSC CHSL 2021
A)

12°

B)

14°

C)

16°

D)

21°

50)

The value of \(\frac{\tan 50^\circ + \sec 50^\circ}{\cot 40^\circ + \text{cosec} \ 40^\circ}\)\( + cos^265° \)\(+ sin 65° cos 25°\)\( + tan 30°\) is:

, Avg: 01:18 , 33%✓ SSC CHSL 2021
A)

\(1+\sqrt{3}\)

B)

\(\frac{6+\sqrt{3}}{3}\)

C)

\(\frac{\sqrt{3}(\sqrt{3}+1)}{3}\)

D)

\(2+\sqrt{3}\)

showing 41 - 50 results of 100 results