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Trigonometry (Part-11)
📆 July 30, 2025
Total Questions: 57
11.
Simplify
[SSC CGL 13/08/2021 (Morning)]
(a) 2 sec²θ
(b) sec²θ + 1
(c) sec²θ
(d) 1 - tan²θ
Correct Answer:
(b) sec²θ + 1
Solution:
12.
Simplify
[SSC CGL 13/08/2021 (Afternoon)]
(a) 7/4
(b) 5/4
(c) 9/4
(d) 3/4
Correct Answer:
(a) 7/4
Solution:
13.
Simplify
[SSC CGL 13/08/2021 (Evening)]
(a) -3
(b) 0
(c) -2
(d) 2
Correct Answer:
(a) -3
Solution:
14.
1 + 2 tan²θ + 2 sinθ sec²θ, 0º < θ < 90º, is equal to:
[SSC CGL 16/08/2021 (Morning)]
(a)
(b)
(c)
(d)
Correct Answer:
(d)
Solution:
15.
Simplify
[SSC CGL 16/08/2021 (Evening)]
(a) 1
(b) 1/√2
(c) 1/2
(d) √3/2
Correct Answer:
(b) 1/√2
Solution:
16.
Smplify
[SSC CGL 17/08/2021 (Morning)]
(a) cotθ
(b) cosec²θ
(c) sec²θ
(d) tanθ
Correct Answer:
(c) sec²θ
Solution:
17.
Simplify
[SSC CGL 17/08/2021 (Afternoon)]
(a) -secθ
(b) tanθ
(c) secθ
(d) -tanθ
Correct Answer:
(d) -tanθ
Solution:
≤
18.
If 4 sin² (2x - 10)º = 3, 0 ≤ (2x - 10) ≤ 90, then find the value of-
[SSC CGL 17/08/2021 (Evening)]
(a) 1
(b) 5/8
(c) -5/8
(d) -1
Correct Answer:
(b) 5/8
Solution:
19.
Find the value of-
[SSC CGL 17/08/2021 (Evening)]
(a) 1/√2
(b) 1
(c) 2
(d) √2
Correct Answer:
(d) √2
Solution:
20.
Simplify
[SSC CGL 18/08/2021 (Afternoon)]
(a) -(2/7)
(b) 18/7
(c) 2/7
(d) -(18/7)
Correct Answer:
(d) -(18/7)
Solution:
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