tan(131)

Calculate tan(131)

tan is found using Opposite/Adjacent

Determine quadrant:

Since 90 < 131 < 180 degrees
it is located in Quadrant II

sin is positive.

Determine angle type:

131 > 90°, so it is obtuse

tan(131) = -1.1503684132909

Excel or Google Sheets formula:

Excel or Google Sheets formula:=TAN(RADIANS(131))

Special Angle Values

θ°	θ^rad	sin(θ)	cos(θ)	tan(θ)	csc(θ)	sec(θ)	cot(θ)
0°	0	0	1	0	0	1	0
30°	π/6	1/2	√3/2	√3/3	2	2√3/3	√3
45°	π/4	√2/2	√2/2	1	√2	√2	1
60°	π/3	√3/2	1/2	√3	2√3/3	2	√3/3
90°	π/2	1	0	N/A	1	0	N/A
120°	2π/3	√3/2	-1/2	-√3	2√3/3	-2	-√3/3
135°	3π/4	√2/2	-√2/2	-1	√2	-√2	-1
150°	5π/6	1/2	-√3/2	-√3/3	2	-2√3/3	-√3
180°	π	0	-1	0	0	-1	N/A
210°	7π/6	-1/2	-√3/2	√3/3	-2	-2√3/3	√3
225°	5π/4	-√2/2	-√2/2	1	-√2	-√2	1
240°	4π/3	-√3/2	-1/2	√3	-2√3/3	-2	√3/3
270°	3π/2	-1	0	N/A	-1	0	N/A
300°	5π/3	-√3/2	1/2	-√3	-2√3/3	2	-√3/3
315°	7π/4	-√2/2	√2/2	-1	-√2	√2	-1
330°	11π/6	-1/2	√3/2	-√3/3	-2	2√3/3	-√3

Show Unit Circle

Final Answer

tan(131) = -1.1503684132909

Test Your Knowledge?

Angles less than 90° are called _____?
Angles greater than 90° are called ______?
In what Quadrant are sin and cos positive?
In what Quadrant are sin and cos negative?

How does the Trig Measurement Calculator work?

Free Trig Measurement Calculator - Given an angle θ, this calculates the following measurements:
Sin(θ) = Sine
Cos(θ) = Cosine
Tan(θ) = Tangent
Csc(θ) = Cosecant
Sec(θ) = Secant
Cot(θ) = Cotangent
Arcsin(x) = θ = Arcsine
Arccos(x) = θ = Arccosine
Arctan(x) =θ = Arctangent
Also converts between Degrees and Radians and Gradians
Coterminal Angles as well as determine if it is acute, obtuse, or right angle. For acute angles, a cofunction will be determined. Also shows the trigonometry function unit circle
This calculator has 1 input.

What 8 formulas are used for the Trig Measurement Calculator?

sin(θ) = Opposite/Hypotenuse
cos(θ) = Adjacent/Hypotenuse
tan(θ) = Opposite/Adjacent
csc(θ) = 1/sin(θ)
sec(θ) = 1/cos(θ)
cot(θ) = 1/tan(θ)
Coterminal Angles are found by θ ± 360°

For more math formulas, check out our Formula Dossier

What 11 concepts are covered in the Trig Measurement Calculator?

angle: the figure formed by two rays, called the sides of the angle, sharing a common endpoint, called the vertex of the angle.
cosecant: the length of the hypotenuse divided by the length of the adjacent side. Also equals 1/sin(θ)
cosine: cos(θ) is the ratio of the opposite side to the hypotenuse.
cotangent: The length of the adjacent side divided by the length of the side opposite the angle. Also equals 1/tan(θ)
coterminal angles: the angles that have the same initial side and share the terminal sides
gradian: defined as one hundredth of the right angle. This is equal to π/200 or 9/10°
radian: a unit of plane angular measurement that is equal to the angle at the center of a circle subtended by an arc whose length equals the radius or approximately 180°/π ~ 57.3 degrees.
secant: the length of the hypotenuse divided by the length of the adjacent side. Also equals 1/cos(θ)
sin: sin(θ) is the ratio of the opposite side of angle θ to the hypotenuse
tangent: the straight line that just touches the curve at that point
trig measurement

tan(131)

Determine quadrant:

Determine angle type:

Excel or Google Sheets formula:

Special Angle Values

Show Unit Circle

Final Answer

Test Your Knowledge?

How does the Trig Measurement Calculator work?

What 8 formulas are used for the Trig Measurement Calculator?

What 11 concepts are covered in the Trig Measurement Calculator?

Example calculations for the Trig Measurement Calculator

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