29. Sketch a graph of the given polar equation. (a) r = 2 – 2 cos 0 (b) r = - sin 20 (c) r = 2 cos 30 (d) r = 1- 2 cos 0 (e) r = 1 – 2 sin 0 (f) r = 2+ 2 sin 0

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Q: Suppose mZexc = 80°, mzbxd = 75°, mZdxe = 45° , and mLaxd = 100°. (a) Find mZcxd. (b) Find mZbxc.…

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Q: (c) Choose any two points on your line of best fit and find the equation of the line you have drawn.…

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Ratios

A ratio is a comparison between two numbers of the same kind. It represents how many times one number contains another. It also represents how small or large one number is compared to the other.

Trigonometric Ratios

Trigonometric ratios give values of trigonometric functions. It always deals with triangles that have one angle measuring 90 degrees. These triangles are right-angled. We take the ratio of sides of these triangles.