Punjab 11th Class Math Chapter 10 Trigonometric Identities Mcqs Test Online

Question 1 of 15

Math

1. Tan2 θ = ………………….

2tan θ/1–tan²θ

1-tan θ/1+tanθ

1+tan θ/1-tanθ

2tan θ/1+tan²θ

Question 1 of 15

Question 2 of 15

2. 2cos α sin β = ………………………

Sin(α+β) - sin (α-β)

Sin(α+β) + sin (α-β)

Cos(α+β) + cos (α-β)

Cos(α+β) - cos (α-β)

Question 2 of 15

Question 3 of 15

3. 2sin 3θ cos5θ = ………………………..

Sin8 θ – sin2θ

Sin(8 θ) + sin (-2 θ)

None

Sin2 θ – sin8θ

Question 3 of 15

Question 4 of 15

4. Sin α/2 = …………………..

2sin α/2 cos α/2

Sin α/2

2sin α cos α

Sin α/2 cos α/2

Question 4 of 15

Question 5 of 15

5. Cos² 15⁰ - sin² 15⁰ = ………………………..

√3/2

½

Cos² 15⁰

Cos⁴ 30⁰

Question 5 of 15

Question 6 of 15

6. Cos 2α = …………………….

2sin² α – 1

2cos² α – 1

1 + 2sin² α

2cos² α + 1

Question 6 of 15

Question 7 of 15

7. Sin α/Sec4α + Cos α/Cosec4α = ……………………..

Cosec 5α

Sec 5α

Sin 5α

Cos 5α

Question 7 of 15

Question 8 of 15

8. Sin β = …………………………..

Sin β/2 cos β/2

None

2sin β cos β

2 sin β/2 cos β/2

Question 8 of 15

Question 9 of 15

9. (Sinθ/2 – cos θ/2)² = ……………………

1 – sin2 θ

1 – sin θ

1 + sin2 θ

1 + sin θ

Question 9 of 15

Question 10 of 15

10. 2cos 65⁰ cos 15⁰ = ………………….

Cos80⁰ - cos50⁰

Cos 50⁰ - cos80⁰

Cos80⁰ + cos50⁰

None

Question 10 of 15

Question 11 of 15

11. Cos (200⁰ 40’) = ………………

-sin (20⁰ 40’)

-Cos20⁰ 40’

sin (20⁰ 40’)

Cos (20⁰ 40’)

Question 11 of 15

Question 12 of 15

12. Cos⁴θ – Sin⁴ θ = ………………………

Cos2 θ/Sin θ

Sec 2 θ

Co 2 θ

1/sec2 θ

Question 12 of 15

Question 13 of 15

13. 2tan α/1+tan²α = ………………….

tan2α

tan α

tan α/2

sin2 α

Question 13 of 15

Question 14 of 15

14. Cot 15⁰ = …………………………

√3 + 1/√3 – 1

√3 – 1/√3 + 1

1 – √3/1 + √3

1 + √3/1 – √3

Question 14 of 15

Question 15 of 15

15. Sin θ/2 = ………………………..

±√1-cosθ/2

±√1+cos/2

±√1-cosθ/1+cosθ

None

Question 15 of 15

Punjab 11th Class Math Chapter 10 Trigonometric Identities Mcqs Test Online

Math Chapter 10 Trigonometric Identities Mcqs Test Online Punjab 11th Class

Math

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Math Chapter 10 Trigonometric Identities Mcqs Test Online Punjab 11th Class

Math

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