Grade-9 Trigonometry Worksheet 2

1. Sin 0^o is equal to _____.

a) 1 b) ¹⁄₂
c) 0 d) -1

2. Cos 0^o is equal to _____.

a) 1 b) ¹⁄_√2
c) 0 d) ¹⁄₂

3. Sin 30^o is equal to _____.

a) ¹⁄₃ b) 1
c) ¹⁄₂ d) ^√3⁄₂

4. Sin 60^o is equal to _____.

a) 1 b) ¹⁄_√2
c) 0 d) ^√3⁄₂

5. Cos 30^o is equal to _____.

a) ¹⁄₂ b) ^√3⁄₂
c) ¹⁄_√2 d) None of these

6. Cos 60^o is equal to _____.

a) ¹⁄₂ b) ^√3⁄₂
c) ¹⁄_√2 d) 0

7. Sin 90^o is equal to _____.

a) ¹⁄₂ b) ^√3⁄₂
c) ¹⁄_√2 d) 1

8. Cos 90^o is equal to _____.

a) 1 b) ¹⁄₂
c) 0 d) -1

9. Tan 45^o is equal to _____.

a) 1 b) ¹⁄₂
c) 0 d) -1

10. Sin 45^o is equal to _____.

a) ¹⁄₂ b) ^√3⁄₂
c) ¹⁄_√2 d) 1

11. Cot 45^o is equal to _____.

a) 0 b) -1
c) 1 d) None of these

12. Tan 30^o is equal to _____.

a) ¹⁄₂ b) ^√3⁄₂
c) ¹⁄_√2 d) ¹⁄_√3

13. Cot 30^o is equal to _____.

a) √ 3 b) 2
c) ¹⁄_√3 d) ^√3⁄₂

14. Sec 45^o is equal to _____.

a) √ 3 +b) √ 2
c) ¹⁄_√3 d) ^√3⁄₂

15. Cot 60^o is equal to _____.

a) ¹⁄₂ b) ^√3⁄₂
c) ¹⁄_√2 d) ¹⁄_√3

16. Tan 60^o is equal to _____.

a) √ 3 b) √ 2
c) ¹⁄_√3 d) ^√3⁄₂

17. Cot 90^o is equal to _____.

a) √ 3 b) 0
c) ¹⁄_√2 d) 1

18. Tan 90^o is equal to _____.

a) √ 3 b) √ 2
c) ¹⁄_√2 d) Not defined

19. Cosec 90^o is equal to _____.

a) 1 b) 0
c) ¹⁄_√2 d) Not defined

20. The value of Tan 45^o + Cot 45^o = _____.

a) ¹⁄_√2 b) ³⁄_√2
c) 2 d) 1

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