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

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anonymous
 one year ago
Best ResponseYou've already chosen the best response.0draw a triangle to find the third side, or remember the mother of all right triangles 3 4  5

anonymous
 one year ago
Best ResponseYou've already chosen the best response.0dw:1441071122370:dw

anonymous
 one year ago
Best ResponseYou've already chosen the best response.0then use the half angle formula to find \[\tan(\frac{x}{2})\]

anonymous
 one year ago
Best ResponseYou've already chosen the best response.0how do you use the half angle formula

anonymous
 one year ago
Best ResponseYou've already chosen the best response.0http://pcb4w11.blogspot.com/2010/12/powerreducinghalfangleformulas.html

bradely
 one year ago
Best ResponseYou've already chosen the best response.1tan(x/2) = sinx/(1+cosx) sinx = 3/5 and cos 4/5 Substitute find tan x/2 Source: mathskey.com
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