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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
1 answer
asked by
jane
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:
0 answers
asked by
Lucy
1,056 views
Another: theta is a second quadrant angle in standard position and tan theta = - (sqrt5)/(2) .
Find the exact value of cos theta.
2 answers
asked by
Adam
742 views
Another: theta is a second quadrant angle in standard position and tan theta = - (sqrt5)/(2) .
Find the exact value of cos theta.
0 answers
asked by
Adam
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
3 answers
asked by
Max
1,215 views
Find the length in the first quadrant of the circle described by the polar equation
r=(2 sin theta)+(4 cos theta) A. (sqrt2)(pi)
1 answer
asked by
Tracy
587 views
Find the length in the first quadrant of the circle described by the polar equation
r=(2 sin theta)+(4 cos theta) A. (sqrt2)(pi)
2 answers
asked by
Tracy
647 views
Multiple Choice (theta) means the symbol 0 with the dash in it.
1.)Which expression is equivalent to
2 answers
asked by
HotMath
1,445 views
Multiple Choice
Which expression is NOT equivalent to 1? (theta) means 0 with dash in it. A.)sin^2 (theta)+cot^2 (theta) sin^2
0 answers
asked by
HotMath
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
0 answers
asked by
Whitney
707 views