PES SS 2 Summer Integrated Maths Exam
- 1. 1. What is the sine of 330°?
A) -1/2
B) 1/2
C) -√3/2
D) √3/2
- 2. 2 The cosine of −45° equals:
A) 1/√2
B) -1
C) 1
D) -1/√2
- 3. 3. Which identity represents sin²θ+cos²θ
A) 1
B) Sec²θ
C) Cosec²θ
D) Cos(90⁰-θ)
- 4. 4 What is the tangent of 300°?
A) -√3/3
B) √3/3
C) -√3
D) √3
- 5. 5. If sinθ=−1/2 in Quadrant III, what is cosθ?
A) None
B) √3/2
C) Both
D) -√3/2
- 6. 6. The sine of −270° is equivalent to:
A) sin 90⁰
B) sin 270⁰
C) -sin 90⁰
D) -sin 270⁰
- 7. 7 Which expression is equivalent to cosecθ?
A) 1/cosθ
B) Cosθ/sinθ
C) Sinθ/cosθ
D) 1/sinθ
- 8. 8 What is the cosine of 240°?
A) -1/2
B) √3/2
C) 1/2
D) -√3/2
- 9. 9 The tangent of what angle equals −1?
A) 215⁰
B) 325⁹
C) 45⁰
D) 135⁰
- 10. 10 If angle θ is in Quadrant II and cosθ=−0.5, what is sinθ?
A) -0.577
B) -0.866
C) 0.577
D) 0.866
- 11. 11 Which of these is equal to sin(−θ)?
A) -cosθ
B) Sinθ
C) -Sinθ
D) cosθ
- 12. 12 The value of tan315° is:
A) -1
B) 1
C) √3
D) -√3
- 13. 13 What is cos(−180°)?
A) 1/2
B) O
C) -1
D) 1
- 14. 14The identity sin(A+B)=
A) sinAcosB+cosAsinB
B) sinAcosB-cosAsinB
C) sinAcosB-cosAsinB
D) sinAsinB+cosAcosB
- 15. 15. What is the period of sinθ?
A) . π/2
B) π
C) 2π
D) 4π
- 16. What is the relationship between sin(90°−θ) and cosθ?
A) They are the same
B) They are opposites
C) They are reciprocals
D) They are complimentary
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