Friday
April 18, 2014

Homework Help: trigonometry help please :(

Posted by suzy on Friday, August 16, 2013 at 1:54pm.

2) Simplify √-1-4/5-√-1

A.-1/24+19/24i
B.-21/26+1/26i
C.-19/24-1/24i
D.-1/26-21/26i

3) How many petals do the two rose curves r = 9 cos 61θ and r = 8 sin 60θ have combined?
A. 182
B. 242
C. 181
D. 131

4)What is true of the curve r = (θ) if its shape is unaffected when r is replaced by r and θ is replaced by p θ?
A. It's symmetric with respect to the x-axis.
B. It's symmetric with respect to the origin.
C. It's symmetric with respect to the line y = x.
D. It's symmetric with respect to the y-axis.


5) Simplify (√2-3i)^2
A.-5-6√2i
B.-7-6√2i
C. 2 − 9i
D.2 + 9i

Change 8 cis 240 to rectangular form.
A.-4-4√3i
B.-4√3-4i
C.-8√3-8i
D.-8-8√3i

Answer this Question

First Name:
School Subject:
Answer:

Related Questions

algebra 1 help - simplifying square roots 1) find volume of this prism? v=bwh b...
algebra 1 help - simplifying square roots 1) find volume of this prism? v=bwh b...
Algebra - 1) Is the equation: 28 - 4√2 = 24√2 True? Explain why or ...
Statistics - Marks: --/20 What percentage of the general US population have ...
Math - Help with radicals please - Please show work Simplify rational 1. 4√...
math - Help please Simplify the expression. √3(5-√3) + 6√3 a) ...
algebra 1 - alright i have a few questions if its ok..? Simplify: 1. -2√(...
math grade 11 - i need help with this quretsion ; i dont know if im right, and i...
math grade 11 - i need help with this quretsion ; i dont know if im right, and i...
statistics - Composite ACT Scores Non-Athletes Athletes 25 21 22 22 27 21 19 29 ...

Search
Members