Welcome :: Homework Help and Answers :: Mathskey.com

Q&A
Unanswered
Categories
Users
Ask a Question

Welcome to Mathskey.com Question & Answers Community. Ask any math/science homework question and receive answers from other members of the community.

Q&A Categories
BASIC MATH (93)
PRE-ALGEBRA (441)
ALGEBRA 1 (2,220)
GEOMETRY (864)
ALGEBRA 2 (2,751)
TRIGONOMETRY (1,187)
PRECALCULUS (1,903)
CALCULUS (2,802)
STATISTICS (129)
PHYSICS (659)
CHEMISTRY (137)
MECHANICAL ENGINEERING (64)
ELECTRICAL ENGINEERING (207)
Winplot Tutorials (2)

Most popular tags

solving-equations system-of-equations functions math slope-intercept-form physics homework-help trigonometric-identities integration limits substitution-method calculus

13,459 questions

17,854 answers

1,446 comments

805,869 users

Prove that

0 votes

tanA-cotA= -2cot2A?

trigonometric-identities

asked Apr 27, 2014 in TRIGONOMETRY by anonymous

Share this question

Google+ Facebook Twitter LinkedIn Reddit

Please log in or register to add a comment.

Please log in or register to answer this question.

1 Answer

0 votes

Right hand side identity

From the double angle identities in trigonometry.

= Left hand side identity.

answered Apr 28, 2014 by david Expert

Please log in or register to add a comment.

Related questions

Prove that the equation is an identity.

asked Nov 14, 2016 in TRIGONOMETRY by anonymous

trigonometric-identities
trigonometry
trigonometric-equations
solve-trigonometric-equations
precalculus

Can anyone prove that 5sin^2 A+ 3cos^2 A= 2sin^2 A+3?

asked Apr 13, 2016 in TRIGONOMETRY by anonymous

trigonometric-identities
homework-help

How do we prove that

asked Aug 10, 2015 in TRIGONOMETRY by anonymous

trigonometric-identities
trigonometric-functions

Prove that

asked Nov 13, 2014 in TRIGONOMETRY by anonymous

trigonometric-identities

Prove that

asked Oct 22, 2014 in TRIGONOMETRY by anonymous

trigonometric-identities

Prove that

asked Aug 14, 2014 in TRIGONOMETRY by anonymous

trigonometric-identities

Prove that

asked Aug 7, 2014 in TRIGONOMETRY by anonymous

trigonometric-identities

Prove that left site is equal to the right.?

asked Jul 23, 2014 in TRIGONOMETRY by anonymous

trigonometric-identities

Prove that!!!!!!!!!!!!!!!!!!!

asked Jul 15, 2014 in TRIGONOMETRY by anonymous

trigonometric-identities

Prove that:

asked Jun 18, 2014 in TRIGONOMETRY by anonymous

trigonometric-identities

Prove that

asked Apr 27, 2014 in TRIGONOMETRY by anonymous

trigonometric-identities

Prove That: Secθ - Cosθ = Tanθ Secθ?

asked Apr 21, 2014 in TRIGONOMETRY by anonymous

trigonometric-identities

prove that (1+cosx/sinx)+(sinx/1+cosx) = 2cscx

asked Nov 30, 2013 in TRIGONOMETRY by angel12 Scholar

trigonometric-identities

prove that 2(sin 6x + cos 6x) - 3(sin 4x + cos 4x) = 0

asked Nov 30, 2013 in TRIGONOMETRY by linda Scholar

trigonometric-identities

Prove that (1 - sin 2A)/(1 + sin 2A) = (1 - tan A)/(1 + tan A)

asked Nov 30, 2013 in TRIGONOMETRY by angel12 Scholar

trigonometric-identities

prove that tan theta/sec theta-1 = sec theta + 1/tan theta

asked Nov 30, 2013 in TRIGONOMETRY by abstain12 Apprentice

trigonometric-identities

Prove that trignometry identity

asked Nov 29, 2013 in TRIGONOMETRY by inayah5897 Rookie

trigonometric-identities

Prove that trigonometric identity

asked Jul 5, 2013 in TRIGONOMETRY by angel12 Scholar

trigonometric-identities

prove that trigonometry identity !!!!!!!!!!!!!!!!!!!!

asked Jun 14, 2013 in TRIGONOMETRY by angel12 Scholar

trigonometric-identities

Prove that!!!!!!!!!!!!!!!!!!!!!!

asked Jun 13, 2013 in TRIGONOMETRY by andrew Scholar

trigonometric-identities

Copyright © 2024 MATHSKEY. All Rights Reserved. Sitemap|Terms Of Use|Disclaimer|Contact Us|FAQ

...