Given the right triangle below, evaluate cos⁡θ\cos\thetacosθ.

cos ⁡ θ = 15 17 \cos\theta=\frac{15}{17} cos θ = 17 15

Table of contents

0. Review of College Algebra4h 43m
1. Measuring Angles39m
2. Trigonometric Functions on Right Triangles2h 5m
3. Unit Circle1h 19m
4. Graphing Trigonometric Functions1h 19m
5. Inverse Trigonometric Functions and Basic Trigonometric Equations1h 41m
6. Trigonometric Identities and More Equations2h 34m
7. Non-Right Triangles1h 38m
8. Vectors2h 25m
9. Polar Equations2h 5m
10. Parametric Equations1h 6m
11. Graphing Complex Numbers1h 7m

2. Trigonometric Functions on Right Triangles

Trigonometric Functions on Right Triangles

Trigonometry2. Trigonometric Functions on Right TrianglesTrigonometric Functions on Right Triangles

Multiple Choice

Given the right triangle below, evaluate $\cos\theta$ .

$\cos\theta=\frac{8}{17}$

$\cos\theta=\frac{8}{15}$

$\cos\theta=\frac{15}{17}$

$\cos\theta=\frac{15}{8}$

213

views

Related Videos

Related Practice

Guided course

6:04

Introduction to Trigonometric Functions

Fundamental Trigonometric Identities

Introduction to Inverse Trig Functions

How to Use a Calculator for Trig Functions

Trigonometric Functions: Sine, Cosine, Tangent, Cosecant, Secant, and Cotangent

Professor Dave Explains

Introduction to Trigonometric Functions Using Triangles

Right-Angled Triangle Trigonometry: Reviewing the ratios

Finding the six trigonometric functions from a triangle

Using Identities to Find the Values of Trig Functions

Fundamental Trigonometric Identities: Reciprocal, Quotient, and Pythagorean Identities

Pythagorean Identities - Examples & Practice Problems, Trigonometry

The Organic Chemistry Tutor

755

views

What are your three basic fundamental trigonometric identities

06:06

What are your three basic fundamental trigonometric identities

Using Fundamental Trig Identities

The Reciprocal and Quotient Identities

Evaluating Trig Functions on a Calculator

How to use Trig Functions on the TI-84 Calculator

Find the value of trig functions with a calculator

Calculator to evaluate inverse trig function

Determining Trigonometric Function Values on the Calculator

Using a calculator to find inverse trig function values

Calculator to evaluate inverse trig function

Inverse Reciprocal Trig on TI 84 Graphing Calculator

Finding Inverse Trig Functions on a Calculator

Cole's World of Mathematics

782

views

TI Calculator Tutorial: Inverse Trigonometry.

05:32

TI Calculator Tutorial: Inverse Trigonometry.

Textbook Tactics

1061

views

Download the Mobile app

Privacy

Do not sell my personal information

Accessibility

Patent notice

Sitemap

My Courses

Chemistry

Biology

Math

Physics

Business

Social Sciences

Programming

Product & Marketing

Given the right triangle below, evaluate $\cos\theta$ .

My Courses

Chemistry

Biology

Math

Physics

Business

Social Sciences

Programming

Product & Marketing

Given the right triangle below, evaluate ﻿cos⁡θ\cos\thetacosθ﻿.

Given the right triangle below, evaluate $\cos\theta$ .