SOLUTION: HAD TROUBLE WITH TRIGONOMETRIC FUNCTIONS, I'VE NEVER DONE TRIGONOMETRY BEFORE NEED HELP WITH THIS . HERE'S THE QUESTION, FIND THE EXACT VALUE OF EACH REMAINING TRIGONOMETRIC FUNCTI
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Question 615349: HAD TROUBLE WITH TRIGONOMETRIC FUNCTIONS, I'VE NEVER DONE TRIGONOMETRY BEFORE NEED HELP WITH THIS . HERE'S THE QUESTION, FIND THE EXACT VALUE OF EACH REMAINING TRIGONOMETRIC FUNCTIONS OF THETA GIVEN COS THETA 4/5, THETA IN QUADRANT IV.
Answer by solver91311(24713) (Show Source): You can put this solution on YOUR website!
Typing in all caps is both rude and annoying. Stop it.
\ >\ 0)
for 
, i.e. Quadrant IV.
\ =\ -\sqrt{1\ -\ \cos^2(\varphi))
for
\ =\ \frac{\sin(\varphi)}{\cos{\varphi})
\ =\ \frac{\cos(\varphi)}{\sin{\varphi})
\ =\ \frac{1}{\cos{\varphi})
\ =\ \frac{1}{\sin{\varphi})
And drop the BS about "I've never done trigonometry before" That dog won't hunt.
John
My calculator said it, I believe it, that settles it
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