Best Trigs Apps

Ezy Trigonometry

by KGiants

Free

This app serves as a comprehensive trigonometry learning tool for students. It features an interactive unit circle, a table of exact trigonometric ratios, and a handbook of formulas to aid understanding.

TrigIt

Make Trigonometry Interactive

Free

This app lets you apply trigonometry to real-world situations using your phone's camera and sensors. Measure angles and calculate heights of objects like trees or buildings. It generates clear diagrams and saves them for later use.

Trigonometry Help

Triangle Solver + Trig Calc

$1.99

This app helps you quickly solve for unknown angles and sides of right-angled triangles. It provides a workings view for understanding the math, a scale drawing of the triangle, and a reference for basic trigonometric formulas. You can input angles in various formats and choose your desired decimal precision.

Trig Instruments Toolbox

A handy tool box on your phone

Free

This utility app provides a collection of essential field tools, including a ratio to angle converter, inclinometer, tally counter, and protractor. It leverages your device's sensors for accurate estimations and calculations, reducing the need to carry multiple physical instruments.

Trig Function(Math Drills)

education

Free

Practice trigonometric functions offline with automated question generation and correctness judgment. Review tips and answers, and compete in Challenge Mode to improve your rank. Ideal for students needing to master trigonometry.

Triangle Help

by Robert Winkelman

Free

This utility app calculates missing sides and angles of a triangle given at least three known measures. It displays the formulas used for learning and supports angle input in degrees or radians, with adjustable decimal precision.

Exact Values: Trig Drill

Master sin, cos and tan fast

Free

Master essential trigonometric values like sine, cosine, and tangent for common angles. This app offers focused drills, timed quizzes, and progress tracking to help students achieve mastery. Practice offline with no ads or tracking, all through a one-time purchase.

Trigonometry Master

Triangle Calculator

$12.99

Easily calculate unknown sides, angles, area, and perimeter of any triangle. Supports both right and oblique triangles with visual input modes and adjustable decimal places for accuracy. Includes a history tape and email sharing for recent calculations.

Trig Solver

by Creature Code Mobile, LLC

Free

This application calculates unknown sides and angles of both regular and right triangles. It supports various input combinations, including two sides and an angle, two angles and a side, three sides, or two sides and an angle for right triangles.

Geometry Solver AI: Trig Help

Photo answers, step by step

Free

This app provides instant, step-by-step solutions to geometry and trigonometry problems by simply taking a photo. It also offers an AI tutor for concept explanations and practice tools for mastering geometry.