Tuesday
October 21, 2014

Homework Help: trig

Posted by mostafa on Thursday, January 6, 2011 at 2:08pm.

prove that :tan20 tan30 tan40 =tan10

Answer this Question

First Name:
School Subject:
Answer:

Related Questions

campridge trigonometry - prove that ; tan20 . tan30 . tan40 = tan10
Pre-Calculus - I need help on these problems they are from my study guide and i ...
trig - tan200(cot10-tan10)
trig - tan200(cot10-tan10)
precalculus - Write each expression as sine, cosine, or tangent of an angle. ...
Trig - tan 15 using composite argument? - tan 15 tan (45-30) (tan 45 - tan ...
trig - TRIG Identities, Gr. 12: Prove: cot4x=1-tan^2x/2tan2x
Math- gr.12 Trig. - Hi, could someone explain to me how to use a counterexample...
Prove trig identity - Prove the following trigonometric identity: (sec^2x-1)(csc...
trig - Prove the following trig identity: 1 + sinx = sinx(1+cscx)

Search
Members