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Trigonometric Formula Quiz

Test your knowledge of trigonometric formulas with this quiz!

Thank you for taking our quiz! Your responses have been submitted. You will receive your results by email within 24 hours.

1) Which of the following represents the cosine of (30⁰)?

√3/2
1/2
1
1/√2

2) What is the value of sin(45⁰)?

1
1/√2
√3/2
1/2

3) In the unit circle, what are the coordinates of the point corresponding to 270⁰?

(1, 0)
(-1, 0)
(0, 1)
(0, -1)

4) Which of the following is an identity?

sin2 θ + cos2 θ = 1
sin θ + cos θ = 1
sin θ . cos θ = 1
tan2 θ + 1 = 0

5) What is the value of tan(45⁰)?

1
1/√2
√3/2
1/2

6) What is the double-angle formula for sin(2x)?

1 - 2 sin( x )
sin2( 𝑥 ) − cos2( 𝑥 )
2sin( x )cos( x )
1 - 2 sin2( x )cos2( x )

7) Using the co-function identities, sin(x)=______(90⁰−x).


Online Test

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