SOLUTION: Hi, looking for help with Trig functions. 1: Which is equilvalent to SinӨ+CotӨ+CosӨ=? 2: Find all vertical asymptotes of... F(X)=X/X^2-9 3: Find all solution

Algebra ->  Algebra  -> Trigonometry-basics -> SOLUTION: Hi, looking for help with Trig functions. 1: Which is equilvalent to SinӨ+CotӨ+CosӨ=? 2: Find all vertical asymptotes of... F(X)=X/X^2-9 3: Find all solution      Log On

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Question 148136: Hi,
looking for help with Trig functions.
1: Which is equilvalent to SinӨ+CotӨ+CosӨ=?
2: Find all vertical asymptotes of... F(X)=X/X^2-9
3: Find all solutions in [0,2pi) for the trigonometric equation Cos2x=-1
If you can help thank you!
Answer by stanbon(48558) About Me  (Show Source):
You can put this solution on YOUR website!
1: Which is equilvalent to SinӨ+CotӨ+CosӨ=?
There are many, many equivalents.
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2: Find all vertical asymptotes of... F(X)=X/X^2-9
They occur when the denominator is zero and the numerator is not zero.
Vertical asymptotes at x = 3 and at x = -3
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3: Find all solutions in [0,2pi) for the trigonometric equation Cos2x=-1
If cos(2x) = -1
then 2x = pi or 3pi
then x = pi/2 or (3/2)pi
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Cheers,
Stan H.