Find the quotient and write in rectangular form. First convert the numerator and denominator to trigonometric form.
A. 
B. 
i
C. 1 + 
i
D. 
+ i
Answer: C
Mathematics
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Find the approximate value of the expression, rounded to four decimal places.cos 65.1°
A. 2.1543 B. 0.9070 C. 0.4210 D. -0.6422
Mathematics
Solve the equation by factoring.x2 + 4x = 0
A. {0, 4} B. {4} C. {- 4} D. {0, - 4}
Mathematics
Find the x- and y-intercepts. If no x-intercepts exist, state so.f(x) = x2 - 3
A. x-intercepts (0, 
) and (0, -
); y-intercept (0,-3)
B. x-intercepts (
, 0) and (-
, 0); y-intercept (0,3)
C. x-intercepts (
, 0) and (-
, 0); y-intercept (0,-3)
D. x-intercepts (0, 
) and (0, -
); y-intercept (0,3)
Mathematics
Solve the problem.A wicker basket has a circular rim with a diameter of 11 in. How many inches of ribbon are needed to go once around the rim?(Use 3.14 for ? .)
A. 69.08 in. B. 32.54 in. C. 34.54 in. D. 121 in.
Mathematics