SPM 2021 Trigonometric Function Forecast Question

• O.5

• -0.8660

• -0.5

• 0.8660

calculate the cosine value for the angle teta.

• -5/12

• -5/13

• -13/5

• 5/13

State the value of x intercepts of the above graph.

• 180 ,360

• 180

• 0,180,360

• 90

What is the amplitude of the above graph?

• 1

• 0.5

• 0

• Nil

State your answer in 4 significant figures

• 0.9913

• 0.6612

• 0.6613

• -0.6613

tangent Teta

• 0.6493

• 0.8387

• 0.5446

• -0.6493

• -0.6

• -0.8

• 0.6

• 0.8

What is the period for graph in blue colour?

• 360

• 180

• 90

• 0

If amplitude of the wave is x and period is y , which one is true?

• x is 5 , y is120

• x is 4 and y is 180

• x is 5 and y is 90

• x is 4 and y is 360

calculate the value of cos x

• 3/4

• -3/5

• 3/5

• -3/4