Question 2: If cos A= 0.03843, what is the angle A in degrees and minutes? round the answer to the nearest minute?

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A: Here I am attaching image so that you understand each and every step.

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Q: Problem 6: Consider-1020°. (1) Give a coterminal angle on the interval (0°, 360°). (2) Give the…

A: Solution ) a = -1020 Coterminal angle = a + 360n         = -1020 + 360 × 3  = -1020 + 1080 = 60°…

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Q: 15 Question (5b): If cot 0 = and the terminal arm of the angle is in the 3rd quadrant, find the…

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A: Please refer the attached image for complete solution.

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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.