If sin (theta) = sqrt5

PLEASE write 2x+y=5 in polar form.a. -sqrt5 = r cos (theta -27degrees) b. sqrt5 = r cos (theta -27degrees) c. -sqrt5 = r cos
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2. asked by jane
3. 396 views
I need help-I do not understand.The question is this: Write 2x+y=5 in polar form. By following the example in the book I get:
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2. asked by Lucy
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Another: theta is a second quadrant angle in standard position and tan theta = - (sqrt5)/(2) .Find the exact value of cos theta.
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2. asked by Adam
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Another: theta is a second quadrant angle in standard position and tan theta = - (sqrt5)/(2) .Find the exact value of cos theta.
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2. asked by Adam
3. 471 views
A hyperbola is represented by the equation x^2/9 - (y - 1)^2 = 1. Identify the asymptotes of the graph.Out of the options I'm
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2. asked by Max
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Find the length in the first quadrant of the circle described by the polar equationr=(2 sin theta)+(4 cos theta) A. (sqrt2)(pi)
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2. asked by Tracy
3. 587 views
Find the length in the first quadrant of the circle described by the polar equationr=(2 sin theta)+(4 cos theta) A. (sqrt2)(pi)
1. 2 answers
2. asked by Tracy
3. 647 views
Multiple Choice (theta) means the symbol 0 with the dash in it.1.)Which expression is equivalent to
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2. asked by HotMath
3. 1,445 views
Multiple ChoiceWhich expression is NOT equivalent to 1? (theta) means 0 with dash in it. A.)sin^2 (theta)+cot^2 (theta) sin^2
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2. asked by HotMath
3. 790 views
Can someone please check my work on this problem? For some reason, I get the feeling that I did it wrong.sqrt=square root (by
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2. asked by Whitney
3. 707 views