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

Recent Visits

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 (2,216)
GEOMETRY (864)
ALGEBRA 2 (2,745)
TRIGONOMETRY (1,186)
PRECALCULUS (1,903)
CALCULUS (2,791)
STATISTICS (129)
PHYSICS (658)
CHEMISTRY (136)
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 substitution-method limits calculus

13,435 questions

17,804 answers

1,438 comments

777,321 users

show that tan(Π/4+A) and tan(Π/4-A)=1

0 votes

trigonometric-identities

asked Jan 7, 2017 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

Trigonometric identity is

Apply formula :

Apply formula :

Simplify.

Consider left hand side,

answered Jan 7, 2017 by Anney Mentor
edited Jan 7, 2017 by Anney

Please log in or register to add a comment.

Related questions

show that tan(A+Π/4)=cosA+sinB/cosA-sinA.

asked Jan 6, 2017 in TRIGONOMETRY by anonymous

trigonometric-identities

show that tan(A+Π/4)=cosA+sinA/cosA-sinA

asked Jan 6, 2017 in TRIGONOMETRY by anonymous

trigonometric-identities

Tan (x+π/4)= (cosx + sinx)/(cosx-sinx) How do I prove this?

asked Nov 13, 2014 in TRIGONOMETRY by anonymous

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

if sinθ = 1/2(x+1/x), show that sin 3θ + 1/2 (x^3 + 1/x^3) = 0

asked Nov 30, 2013 in TRIGONOMETRY by skylar Apprentice

trigonometric-identities

if cosA+sinA=2^1/2*cosA, then show that cosA-sinA=2^1/2*sinA.

asked Oct 24, 2013 in TRIGONOMETRY by andrew Scholar

trigonometric-identities

Prove tan(60+A)tan(60-A)=2cos2A+1/2cos2A-1

asked Oct 28, 2014 in TRIGONOMETRY by anonymous

trigonometric-identities

Math question. tan(x)=-1 and tan(y)=2 find tan(x+y) and tan(x-y)?

asked Nov 26, 2014 in TRIGONOMETRY by anonymous

trigonometric-identities

solve sinxcos(π/6) + sin(π/6)cosx= 1/√2

asked Nov 20, 2013 in TRIGONOMETRY by payton Apprentice

trigonometric-identities

Suppose cosx=-2/7 and π/2<x<π.

asked Feb 22, 2013 in TRIGONOMETRY by Jose Rodriguez Rookie

trigonometric-identities

How would I show that Sin4x=4sinxcosxcos2x?

asked May 22, 2014 in TRIGONOMETRY by anonymous

trigonometric-identities

show that trigonometric identity!!!!!!!!!!!!!!

asked Jun 14, 2013 in TRIGONOMETRY by angel12 Scholar

trigonometric-identities

1/sec x tan x=csc x-sin x

asked Apr 15, 2014 in TRIGONOMETRY by anonymous

trigonometric-identities

1+tan^2X/csc^2x=tan^2x

asked Mar 8, 2014 in TRIGONOMETRY by futai Scholar

trigonometric-identities

Tan x/2 = (1-cosx+sinx)/(1+cosx+sinx) prove this?

asked Feb 11, 2014 in TRIGONOMETRY by futai Scholar

trigonometric-identities

Tan s / 1 + cos s + sin s / 1 - cos s = cot s + sec s csc s

asked Nov 30, 2013 in TRIGONOMETRY by chrisgirl Apprentice

trigonometric-identities

prove tan (alpha + beta) =( tan alpha + tan beta) / (1 - tan alpha tan beta)

asked Jan 24, 2013 in TRIGONOMETRY by Jose Rodriguez Rookie

trigonometric-identities

Sin (x-y) = 1-cot x tan y/csc x sec y?

asked Jan 9, 2013 in TRIGONOMETRY by homeworkhelp Mentor

trigonometric-identities

Let X and Y are real numbers such that sinX/sinY = 3 and cosX/cosY = 1/2.

asked Jun 24, 2014 in TRIGONOMETRY by anonymous

trigonometric-identities

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

...