st

Showing posts with label (A-B) = pi/4. Show all posts
Showing posts with label (A-B) = pi/4. Show all posts

Tuesday, October 13, 2009

if (A-B) = pi/4 show that (1+tanA)(1+tanB) = 2tanA

if (A-B) = pi/4 show that (1+tanA)(1+tanB) = 2tanA

make it into A = B + (pi/4)
take tan on both sides, apply tan(A+B) identity
simplify and extract tanA
add tanA to both sides and then factorise
trigonometry identities

-----------------------------------------------------------
please leave your comments below
------------------------------------------------------------
index of math problems


disclaimer:
There is no guarantee about the data/information on this site. You use the data/information at your own risk. You use the advertisements displayed on this page at your own risk.We are not responsible for the content of external internet sites. Some of the links may not work





SAT Mixture & Concentration Problems: The Easy Method That Works

  SAT Mixture & Concentration Problems A Complete Guide to Solutions, Dilution, Ratios & Concentration Mixture questions can appear ...