How do I solve this math problem: For all real numbers x, sin(2x)=?

Do I need a calculator? How do I solve this?

Answer #1

Unless more information was given, that is an identity, so just something you need to memorize. sine(2x)=2 sin x cos x

Answer #2

sin(2x) = 2 sin x cos x

More Like This
Ask an advisor one-on-one!
Advisor

IGNOU Solved Assignment

Education, Online Learning, Assignment Help

Advisor

Smart Math Tutoring

Online Education, Test Preparation, Tutoring Services

Advisor

Online Real Estate School Inc.

Real Estate Education, Online Learning, Professional Development

Advisor

Real Estate Training Institute

Real Estate, Education, Training

Advisor

Kids Math Games

Education, Children's Entertainment, Online Games