Question

Let sin A = -5/13 with A in the fourth quadrant and cos B = -sqrt(3)/2 with B in the third quadrant. Find cos(A + B).

Name: Let sin A = -5/13 with A in the fourth quadrant and cos B = -sqrt(3)/2 with B in the third quadrant. Find cos(A + B).
Uploaded: 2022-04-19T11:09:22-08:00
Duration: 5 min 56 s
Channel: Chitra Gondi
Description: Let sin A = -5/13 with A in the fourth quadrant and cos B = -sqrt(3)/2 with B in the third quadrant. Find cos(A + B).

          Let sin A = -5/13 with A in the fourth quadrant and cos B = -sqrt(3)/2 with B in the third quadrant. Find cos(A + B).

Added by Breanda G.

Introductory and Intermediate Algebra for College Students 4th

Robert Blitzer 4th Edition

Instant Answer

Solved by Expert Chitra Gondi

04/19/2022

Step 1

Step 1: Calculate cos(A) using the given information: cos(A) = adjacent/hypotenuse = 12/13 Show more…

Show all steps

Thanks for your feedback!

Find cos (A+B)

Play audio

Feedback

Chitra Gondi and 58 other subject Algebra and Trigonometry educators are ready to help you.

Ask a new question

Labs

Want to see this concept in action?

NEW

Explore this concept interactively to see how it behaves as you change inputs.

View Labs

Key Concepts

Recommended Videos

Recommended Textbooks

Transcript

Ace is your personal tutor. It breaks down any question with clear steps so you can learn.

Start Using Ace

Continue solving this problem

Create a free account to:

View full step-by-step solution
Ask follow-up questions with Ace AI
Save progress and study later

Question

Let sin A = -5/13 with A in the fourth quadrant and cos B = -sqrt(3)/2 with B in the third quadrant. Find cos(A + B).

Please give Ace some feedback