Tuesday
September 23, 2014

Homework Help: Trig - tan 15° using composite argument?

Posted by Anonymous on Wednesday, November 12, 2008 at 7:58pm.

tan 15°
tan (45°-30°)
(tan 45° - tan 30°)/1+ tan 45°tan30°
(1-√3/3)/(1+1√3/3)

then i donnt what to do/ chancel out. Can someone finish it if i didnt get it wrong.

thanks in advance

Answer this Question

First Name:
School Subject:
Answer:

Related Questions

Trigonometry - Find the exact value of tan(a-b) sin a = 4/5, -3pi/2<a<-pi...
Math-Trigonometry - Show that if A, B, and C are the angles of an acute triangle...
Trig. - sec^2xcotx-cotx=tanx (1/cos)^2 times (1/tan)-(1/tan)=tan (1/cos^2) times...
maths - Derivative of √ tan x is, Answer: A. sin 2 x/ √ tan x B. cos...
trig - h t t p : / / i m g 4 0 . i m a g e s h a c k . u s / c o n t e n t . p h...
calculus - can anyone tell me if tan-1x= 1 over tan x? No. They are different. ...
Calculus - Evaluate the limit as h -> 0 of: [tan (pi/6 + h) - tan(pi/6)]/h I ...
Integration - Intergrate ¡́ sec^3(x) dx could anybody please check this answer. ...
Trig-Weird Geometry Problem - Determine all triangles ABC for which tan(A-B)+tan...
calculus - If limit as delta x approaches 0 of tan(0+Δx)-tan(0)/Δx =1 ...

Search
Members