SOLUTION: If alpha and beta are acute angles such that csc alpha = 17/15 and cot beta = 5/12, find the following. (a) sin(alpha + beta) (b) tan(alpha + beta)

Algebra ->  Trigonometry-basics -> SOLUTION: If alpha and beta are acute angles such that csc alpha = 17/15 and cot beta = 5/12, find the following. (a) sin(alpha + beta) (b) tan(alpha + beta)      Log On


   

Question 911647: If alpha and beta are acute angles such that csc alpha = 17/15 and cot beta = 5/12, find the following.

(a) sin(alpha + beta)
(b) tan(alpha + beta)
Answer by ewatrrr(24785) About Me  (Show Source):
You can put this solution on YOUR website!
sin x = 15/17 , cos x = 8/17, tan x = 15/8
tan y = 12/5, sin y = 12/13, cos y = 5/13
Plug and Play
a)sin(x + y) = sin x cosy + cos x sin y
b. tan(x ± y) = (tan x + tan y)/(1- tan x tan y)