Question

Given sin(x)=-3/5 and x is in quadrant 3, what is the value of tan(x/2)?

Answer 1

draw a triangle to find the third side, or remember the mother of all right triangles 3- 4 - 5

Answer 2

then use the half angle formula to find
\[\tan(\frac{x}{2})\]

Answer 3

how do you use the half angle formula

Answer 4

idk look it up

Answer 5

http://pcb4w11.blogspot.com/2010/12/power-reducing-half-angle-formulas.html

Answer 6

tan(x/2) = sinx/(1+cosx)
sinx = -3/5 and cos -4/5
Substitute find tan x/2
Source: mathskey.com

Answer 7

so is the answer -3

Answer 8

correct

Answer 9

thx for the help!!!