Answered step by step
Verified Expert Solution
Link Copied!

Question

1 Approved Answer

Verify the following identities. 14. sin(zx)=sinx 16. cos(30-x)+cos(30 +x)=3 cosx 18. cos(a+B)+cos(a-B)=2 cosa cos 3 15. sin( +x)=cosx 2 sin(-) 17. = cot a-cot

   

Verify the following identities. 14. sin(zx)=sinx 16. cos(30-x)+cos(30 +x)=3 cosx 18. cos(a+B)+cos(a-B)=2 cosa cos 3 15. sin( +x)=cosx 2 sin(-) 17. = cot a-cot sina sin

Step by Step Solution

There are 3 Steps involved in it

Step: 1

Lets verify each identity 14 sinpi x sin x Using the periodicity of sine function sinpi x sinpi cosx ... 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

Income Tax Fundamentals 2013

Authors: Gerald E. Whittenburg, Martha Altus Buller, Steven L Gill

31st Edition

1111972516, 978-1285586618, 1285586611, 978-1285613109, 978-1111972516

More Books

Students also viewed these Mathematics questions