Trig Flashcards
What is the exact value of sin(0°)?
0
The sine of 0 degrees is 0.
What is the exact value of sin(30°)?
1/2
The sine of 30 degrees is 1/2.
What is the exact value of sin(45°)?
√2/2
The sine of 45 degrees is √2/2.
What is the exact value of sin(60°)?
√3/2
The sine of 60 degrees is √3/2.
What is the exact value of sin(90°)?
1
The sine of 90 degrees is 1.
What is the exact value of cos(0°)?
1
The cosine of 0 degrees is 1.
What is the exact value of cos(30°)?
√3/2
The cosine of 30 degrees is √3/2.
What is the exact value of cos(45°)?
√2/2
The cosine of 45 degrees is √2/2.
What is the exact value of cos(60°)?
1/2
The cosine of 60 degrees is 1/2.
What is the exact value of cos(90°)?
0
The cosine of 90 degrees is 0.
What is the exact value of tan(0°)?
0
The tangent of 0 degrees is 0.
What is the exact value of tan(30°)?
√3/3
The tangent of 30 degrees is √3/3.
What is the exact value of tan(45°)?
1
The tangent of 45 degrees is 1.
What is the exact value of tan(60°)?
√3
The tangent of 60 degrees is √3.
What is the exact value of tan(90°)?
undefined
The tangent of 90 degrees is undefined.
What is the exact value of sin(0 radians)?
0
The sine of 0 radians is 0.
What is the exact value of sin(π/6 radians)?
1/2
The sine of π/6 radians is 1/2.
What is the exact value of sin(π/4 radians)?
√2/2
The sine of π/4 radians is √2/2.
What is the exact value of sin(π/3 radians)?
√3/2
The sine of π/3 radians is √3/2.
What is the exact value of sin(π/2 radians)?
1
The sine of π/2 radians is 1.
What is the exact value of cos(0 radians)?
1
The cosine of 0 radians is 1.
What is the exact value of cos(π/6 radians)?
√3/2
The cosine of π/6 radians is √3/2.
What is the exact value of cos(π/4 radians)?
√2/2
The cosine of π/4 radians is √2/2.
What is the exact value of cos(π/3 radians)?
1/2
The cosine of π/3 radians is 1/2.
What is the exact value of cos(π/2 radians)?
0
The cosine of π/2 radians is 0.
What is the exact value of tan(0 radians)?
0
The tangent of 0 radians is 0.
What is the exact value of tan(π/6 radians)?
1/√3 or √3/3
The tangent of π/6 radians is 1/√3.
What is the exact value of tan(π/4 radians)?
1
The tangent of π/4 radians is 1.
What is the exact value of tan(π/3 radians)?
√3
The tangent of π/3 radians is √3.
What is the exact value of tan(π/2 radians)?
undefined
The tangent of π/2 radians is undefined.
What is the conversion of 0 radians to degrees?
0 degrees
What is the conversion of π/6 radians to degrees?
30 degrees
What is the conversion of π/4 radians to degrees?
45 degrees
What is the conversion of π/3 radians to degrees?
60 degrees
What is the conversion of π/2 radians to degrees?
90 degrees
What is the conversion of π radians to degrees?
180 degrees
What is the conversion of 3π/2 radians to degrees?
270 degrees
What is the conversion of 2π radians to degrees?
360 degrees
What is the formula to convert radians to degrees?
Degrees = Radians × (180/π)
What is the formula to convert degrees to radians?
Radians = Degrees × (π/180)
What are the symmetry identities for cos?
- Cos(0) = cos(-0)
- -cos(0) = cos(180-0)
- cos(0) = cos(360+0)
What are the symmetry identities for sin?
- -sin(0) = sin(-0)
- sin(0) = sin(180-0)
- sin(0) = sin(360+0)
What is the tan identity?
- sin(0) / cos(0)
What are the Pythagorean identities?
- cos^2(0) + sin^2(0) = 1
- 1+ tan^2(0) = sec^2(0)
- cot^2(0) + 1 = cosec^2(0)
