Question: 1. The letters r and 0 represent polar coordinates. Write the equation using rectangular coordinates (x, y). r = 1+ 2 sin 0 O V

1. The letters r and 0 represent polar coordinates. Write the equation using rectangular coordinates (x, y). r = 1+ 2 sin 0 O V x 2 + 12 = x 2 + y2 + 2y O x 2 + y 2 = 1/x 2 + 82 + 2x O VX 2 + 1 2 = x2+ y2 + 2x O x2 + 12 = Vx2 +yz+2y2. Plot the complex number in the complex plane. 4+ 3i -6 -2 2 6 R\f\f5. Match the graph to one of the polar equations. Or= 1 r = 2 sin 0 O r sin 0 = 1 Or= 2 cos e\f7. Write the complex number in polar form. Express the argument in degrees, rounded to the nearest tenth, if necessary. 5 5(cos 0' + i sin 0') O 5(cos 90 + i sin 90) 5(cos 270' + i sin 270') 5(cos 180' + i sin 180')8. Use the information given about the angle 0, 0 0 2n, to find the exact value of the indicated trigonometric function. cot 0 = -3, sec 0 > 0 Find sin O 3+ 10 20 10+ 3 /10 20 O 10- 3 /10 20 O 3-10 209. Use a calculator to solve the equation on the interval 0 0

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