Posted by Anonymous on Monday, November 5, 2012 at 2:00pm.
since tan θ/2 = (1-cosθ)/sinθ
tan π/8 = (1-1/√2)/(1/√2) = √2-1
Related Questions
maths - Derivative of √ tan x is, Answer: A. sin 2 x/ √ tan ...
Trigonometry - 1.Solve tan^2x + tan x – 1 = 0 for the principal value(s) to...
trigonometry - 5.Find the complete exact solution of sin x = -√3/2. 10...
trigonometry - 5. Find the complete exact solution of sin x = -√3/2. 9...
Trig - tan 15° using composite argument? - tan 15° tan (45°-30°...
trigo math - 7. Prove that tan B sin B + cos B = sec B. 11. ...
trigonometry hlp me - 6.Prove that tan y cos^2 y + sin^2y/sin y = cos y + sin &#...
Math - Find an equation of the line that bisects the obtuse angles formed by the...
trignonmetry - 6. Prove that tan λ cos^2 λ + sin^2λ/...
maths - I will be thankfull to you if you help me to solve the below problem: 6&...
For Further Reading
