PBD F5 CHAPTER 6

Which of the following does not have a corresponding reference angle of 28 degree?

• 152 degree
• 208 degree
• 298 degree
• 332 degree

If sin x = 0.5, what is the value of x in degrees?

• 30 degree

• 45 degree

• 60 degree

• 90 degree

What is the cosine of 60 degrees?

• 0.7071

• 0

• 0.5

• 1

Which of the following is not a value of 35 degree?

• sin ⁡θ = 0.5736
• cos ⁡θ = 0.8191
• sin ⁡θ = 0.3500
• tan ⁡θ = 0.7003

Which of the following angles has a sine value of 0.8660?

• 60 degree

• 45 degree

• 30 degree

• 90 degree

Question

• A
• B
• C
• D

The diagram shows point P and Q on the circumference of a unit circle with centre O. Find the value of cos x + sin y.

• 1.739

• 1.421

• 0.394

• 0.076

Given tan y = 3/4. Find the value of x.

• 0.6 degree
• 12.00 degree
• 36.87 degree
• 53.13 degree

In the diagram below, PQR is a straight line. Find the value of cos ∠SQR. Given your answer in 2 decimal place. (Not need to show your working step, just sate your final answer)

In diagram below, TSQ is a straight line. It is given that sin ∠TSR = 8/15. Find the value of cos ∠TSP + tan ∠PSQ. Given your answer in 2 decimal place. (Not need to show your working step, just sate your final answer)