SOLUTION: given tan 0=4/3 and sin(-4/5) find cos 0 ?

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Question 893849: given tan 0=4/3 and sin(-4/5) find cos 0 ?
Answer by Fombitz(32388) About Me  (Show Source):
You can put this solution on YOUR website!
I assume you mean sin%28theta%29=-4%2F5?
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tan%28theta%29=sin%28theta%29%2Fcos%28theta%29
cos%28theta%29=sin%28theta%29%2Ftan%28theta%29
cos%28theta%29=%28-4%2F5%29%2F%284%2F3%29
cos%28theta%29=%28-4%2F5%29%2A%283%2F4%29
highlight%28cos%28theta%29=-3%2F5%29