Exact Trig Values Flashcards
What is the exact value of Sin 30°?
1/2
The sine of 30 degrees is a fundamental trigonometric value.
What is the exact value of Cos 30°?
√3/2
The cosine of 30 degrees is derived from the properties of a 30-60-90 triangle.
What is the exact value of Tan 30°?
√3/3
The tangent of 30 degrees is the ratio of the sine to the cosine.
What is the exact value of Sin 45°?
√2/2
The sine of 45 degrees is equal to the cosine of 45 degrees.
What is the exact value of Cos 45°?
√2/2
Cosine and sine values are equal at 45 degrees.
What is the exact value of Tan 45°?
1
The tangent of 45 degrees is equal to 1, as both sine and cosine are equal.
What is the exact value of Sin 60°?
√3/2
The sine of 60 degrees is derived from the properties of a 30-60-90 triangle.
What is the exact value of Cos 60°?
1/2
The cosine of 60 degrees is half of the hypotenuse in a 30-60-90 triangle.
What is the exact value of Tan 60°?
√3
The tangent of 60 degrees is the ratio of the sine to the cosine.
What is the value of Sin at 0°?
0
What is the value of Cos at 0°?
1
What is the value of Tan at 0°?
0
What is the value of Sin at 90°?
1
What is the value of Cos at 90°?
0
What is the value of Tan at 90°?
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