cianhuan
This page lists questions and answers that were posted by visitors named cianhuan.
Questions
The following questions were asked by visitors named cianhuan.
Given cos x = -3/5 , sin y =12/13 and 0º< x <360º,x and y are on the same quadrant. Without using mathematical table and scientific calculator,find the values for: (a)sin 1/2 x (b)cos (x+y)
14 years ago
Given sin (x-y)=1/4, sin x cos y=3/5,and tan y=3/2,without using mathematical table or scientific calculator,find the values for: (a)cos x sin y (b)cos (x+y)
14 years ago
Answers
The following answers were posted by visitors named cianhuan.