Posted by **Kate** on Thursday, May 16, 2013 at 11:26am.

Can you check my work, please? This is for a trig study guide for my final next week. I'd like to know if I'm doing this right. :)

2. The polar coordinates of a point are given. Find the rectangular coordinates of each point.

a. (5,(π / 4))

b. (-2,(π / 6))

Answer:

a. x = M cos θ

x = 5(cos π/4)

x = 5(0.707)

x = 3.535

y = M sin θ

y = 5(sin π/4)

y = 5(0.707)

y = 3.535

(5,(π / 4)) = (3.535, 3.535)

b. x = M cos θ

x = -2(cos π/6)

x = -2(0.866)

x = -1.732

y = M sin θ

y = -2(sin π/6)

y = -2(0.5)

y = -1

(-2,(π / 6)) = (-1.732, -1)

## Answer This Question

## Related Questions

- TRIGONOMETRY - Can you please help me with this question on my study guide for ...
- TRIGONOMETRY - Can you please help me with this question on my study guide for ...
- TRIGONOMETRY - Can someone please show me step by step how to calculate the ...
- TRIGONOMETRY - 3. The rectangular coordinates of a point are given. Find the ...
- TRIGONOMETRY - I don't understand how to convert -3-4i to polar coordinates. I ...
- TRIGONOMETRY - Can someone please give me a step by step answer on how to find ...
- Trig-Please check - What are polar coordinates of (4,6) 1.Round r to nearest ...
- Pre-Calc - Can anyone direct me to learn more about polar coordinates. I'm in ...
- Civics to Ms.Sue - Ms.Sue can you check my questions below I like when you check...
- trig - Given the polar coordinates of a point, how do I find the rectangular ...

More Related Questions