Trig Functions - Exact Values

Exact values of trig functions using the special triangles.
Fractions are written as: 'x/y'
Square roots are written as: 'sqrt(x)'
Duplicate questions can have irrational and rational denominators
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dhops2
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Last updated: June 7, 2022
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First submittedJune 7, 2022
Times taken632
Average score38.9%
Rating4.20
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Trig Function
Exact Value
sin(0)
0
sin(30)
1/2
sin(45)
1/sqrt(2)
sin(45)
sqrt(2)/2
sin(60)
sqrt(3)/2
sin(90)
1
cos(0)
1
cos(30)
sqrt(3)/2
cos(45)
1/sqrt(2)
cos(45)
sqrt(2)/2
cos(60)
1/2
cos(90)
0
tan(0)
0
tan(30)
1/sqrt(3)
tan(30)
sqrt(3)/3
tan(45)
1
tan(60)
sqrt(3)
tan(90)
undefined
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3 Comments
+2
Level 49
Jun 10, 2022
it really cool
+2
Level 49
Jun 10, 2022
but like you should make it so you can type answer for all question at once
+1
Level 40
Jun 24, 2025
wow! what great quiz! evry informative and knowlejable thank you for takin gth etime to create this quiz i have since practiced my exact values and know them off by heart