menu-iconExamlexExamLexServices

Discover

Ask a Question
  1. All Topics
  2. Topic
    Mathematics
  3. Study Set
    Precalculus Functions and Graphs Study Set 1
  4. Exam
    Exam 6: Trigonometric Identities and Conditional Equations
  5. Question
    SHORT ANSWER
Solved

SHORT ANSWER

Question 426

Question 426

Essay

SHORT ANSWER. Write the word or phrase that best completes each statement or answers the question.
Prove that the equation is an identity.
-2 sin(x + y) cos(x - y) = sin 2x + sin 2y

Correct Answer:

verifed

Verified

2 sin(x + y) cos(x -...

View Answer

Unlock this answer now
Get Access to more Verified Answers free of charge

Related Questions

Q421: Find all real numbers that satisfy the

Q422: Find the exact value by using a

Q423: Prove that the equation is an identity.<br>-<img

Q424: Prove the identity.<br>-<img src="https://d2lvgg3v3hfg70.cloudfront.net/TB8458/.jpg" alt="Prove the identity.

Q425: Use the appropriate sum or difference identity

Q427: Solve the problem. Round to the nearest

Q428: Find the exact value by using a

Q429: Prove the identity.<br>-<img src="https://d2lvgg3v3hfg70.cloudfront.net/TB8458/.jpg" alt="Prove the identity.

Q430: Prove that the equation is an identity.<br>-<img

Q431: Use trigonometric identities to find the exact

Examlex

ExamLex

About UsContact UsPerks CenterHomeschoolingTest Prep

Work With Us

Campus RepresentativeInfluencers

Links

FaqPricingChrome Extension

Download The App

Get App StoreGet Google Play

Policies

Privacy PolicyTerms of ServiceHonor CodeCommunity Guidelines

Scan To Download

qr-code

Copyright © (2025) ExamLex LLC.

Privacy PolicyTerms Of ServiceHonor CodeCommunity Guidelines