Trigonometry (Part-2)

Trigonometry Table- Learn Sin Cos Tan Table, Trigonometric Ratio Value Chart -

Total Questions: 50

1. If 0⁰ < A, B < 45⁰, cos (A+B) = 24/25 and sin (A-B) = 15/17, then tan2A = ? [SSC CGL 06/03/2020 (Evening)]

Correct Answer: (c) 416/87
Solution:

2. If cos²θ - sin²θ = tan²θ, then which of the following is true? [SSC CPO 13/12/2019 (Evening)]

Correct Answer: (d) cos²θ - sin²θ = tan²θ
Solution:

3. everything between 0⁰ and 90⁰ For α'ᵢ s, (i = 1, 2, 3......20) it is given that sinα₁ + sinα₂ + sinα₃ .......... sinα₂₀ = 20. Find the value (in degrees) of (α₁ + α₂ + α₃...... α₂₀). [SSC CHSL 11/07/20219 (Morning)]

Correct Answer: (a) 1800⁰
Solution:

4. For α and β both being acute angles, it is given that sin (α + β) = 1, cos (α - β) = 1/2. The values of α and β are : [SSC CHSL 10/07/2019 (Evening)]

Correct Answer: (a) 75⁰ , 15⁰
Solution:

5. If θ = 9⁰, then what is the value of cotθ. cot2θ. cot3θ. cot4θ. cot5θ. cot6θ. cot7θ. cot8θ. cot9θ ? [SSC CHSL 10/07/2019 (Evening)]

Correct Answer: (b) 1
Solution:

6. Which among the following is an irrational quantity ? [SSC CHSL 10/07/2019 (Afternoon)]

Correct Answer: (d) cos30⁰
Solution:

7. Which among the following increase continuously in the range 0⁰ < θ < 90⁰ ? [SSC CHSL 09/07/2019 (Evening)]

Correct Answer: (c) tanθ
Solution:

8. Simpilfy [SSC CHSL 05/07/2019 (Afternoon)]

Correct Answer: (c) 1/2
Solution:

9. Simplify [SSC CHSL 03/07/2019 (Afternoon)]

Correct Answer: (d) Cosθ
Solution:

10. Solve it [SSC CHSL 03/07/2019 (Morning)]

Correct Answer: (c) Cotθ
Solution: