Trig Calculator
Use this trig calculator to quickly solve sine, cosine, tangent, secant, cosecant, cotangent, and inverse trigonometric values. Enter your angle, choose degrees or radians, select the function, and get a clean result instantly.
Calculate Trig Value
What Is a Trig Calculator?
A trig calculator is a math tool that helps you solve trigonometric functions without manually using formulas or tables. It is useful for students, teachers, engineers, construction planning, physics problems, geometry, navigation, and right-triangle calculations.
This calculator supports the most common trigonometric functions including sine, cosine, tangent, cosecant, secant, cotangent, and inverse trigonometric functions. You can calculate values in degrees or radians depending on your problem requirement.
How It Works
Supported Trig Functions
- Sine: Finds the ratio of opposite side to hypotenuse.
- Cosine: Finds the ratio of adjacent side to hypotenuse.
- Tangent: Finds the ratio of opposite side to adjacent side.
- Sec, Csc, Cot: Calculates reciprocal trigonometric values.
- Inverse Functions: Finds the angle from a known trig ratio.
Common Trigonometry Formulas
- 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
FAQs
What does a trig calculator do?
A trig calculator solves trigonometric functions such as sine, cosine, tangent, secant, cosecant, cotangent, and inverse trig values.
Can I use degrees and radians?
Yes. This tool allows you to calculate trigonometric values in both degrees and radians.
Why is tangent sometimes undefined?
Tangent becomes undefined when the cosine value of the angle is zero, such as at 90 degrees and 270 degrees.
What value should I enter for inverse trig?
For inverse sine and inverse cosine, enter a ratio between -1 and 1. For inverse tangent, you can enter any numeric ratio.
Is this trig calculator useful for right triangles?
Yes. It is helpful for right-triangle problems where you need to calculate angle relationships using sine, cosine, or tangent.