Answered step by step
Verified Expert Solution
Link Copied!

Question

1 Approved Answer

Hiii pls helpfirst one use addition or subtraction formula 4TT sin ( 5 ) cos (35 ) - 105 ( 5 ) sin (25 T

image text in transcribed

Hiii pls helpfirst one use addition or subtraction formula

image text in transcribed
4TT sin ( 5 ) cos (35 ) - 105 ( 5 ) sin (25 T 9 sin 0 - 1 = 0 Use the Addition Formula for Cosine to prove the Double-Angle Formula for Cosine. cos(2x) = cos2(x) - sin2(x) Rewrite 2x as x + x, and use the Addition Formula for Cosine to simplify. cos(2x) = cos(x + x) = Cos(X) cos(x)

Step by Step Solution

There are 3 Steps involved in it

Step: 1

blur-text-image

Get Instant Access to Expert-Tailored Solutions

See step-by-step solutions with expert insights and AI powered tools for academic success

Step: 2

blur-text-image

Step: 3

blur-text-image

Ace Your Homework with AI

Get the answers you need in no time with our AI-driven, step-by-step assistance

Get Started

Recommended Textbook for

Encyclopaedia Of General Topology

Authors: Md Mushtaque Khan

1st Edition

9353147530, 9789353147532

More Books

Students also viewed these Mathematics questions

Question

3. Use the childs name.

Answered: 1 week ago