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WorksheetsExploring Sine and Cosine
Total questions: 10
Worksheet time: 5mins
What is the sine of 30 degrees?
0.75
0.25
1.0
0.5
What is the cosine of 60 degrees?
0
-0.5
1
0.5
If sin(θ) = 0.5, what is θ in degrees?
30°, 150°
120°
90°
60°
What is the relationship between sine and cosine for complementary angles?
sin(θ) = sin(90° - θ) for complementary angles.
sin(θ) = cos(90° - θ) for complementary angles.
cos(θ) = sin(90° + θ) for complementary angles.
sin(θ) = cos(θ) for all angles.
Calculate sin(45 degrees).
0.5
1.0
0.866
0.7071
What is the value of cos(0 degrees)?
0.5
1
-1
0
If cos(θ) = 0, what are the possible values of θ?
θ = 0 + kπ, where k is any integer.
θ = π/2 + kπ, where k is any integer.
θ = π/4 + kπ, where k is any integer.
θ = 3π/2 + kπ, where k is any integer.
What is the sine of 90 degrees?
0
1.5
1
-1
How does the sine function behave in the first quadrant?
The sine function is negative in the first quadrant.
The sine function is positive and increases from 0 to 1 in the first quadrant.
The sine function decreases from 1 to 0 in the first quadrant.
The sine function is constant at 0.5 in the first quadrant.
What is the cosine of 90 degrees?
1
0.5
0
-1
