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Trigonometric Ratios and Their Inverses (Grades 11-12)

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Trigonometric Ratios and Their Inverses

1. 
Use a calculator to solve for each angle. Round to the nearest degree.

a) [math]sin theta = 0.9063[/math]

[math]theta = [/math]


b) [math]tan theta = 0.9325[/math]

[math]theta = [/math]


c) [math]tan theta = 0.3443[/math]

[math]theta = [/math]


d) [math]cos theta = 0.9925[/math]

[math]theta = [/math]


e) [math]cos theta = 0.8660[/math]

[math]theta = [/math]



2. 
For triangle ABC, AB = 5, BC = 13, and AC = 12.
Right Triangle ABC v2

Find the values for the listed trigonometric functions for the above triangle. Round answers to four decimal places.

[math]sin B = [/math]

[math]cos B = [/math]

[math]tan B = [/math]

[math]sin C = [/math]

[math]cos C = [/math]

[math]tan C = [/math]



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