Download - 2.3 Finding Missing Angles
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3.3 Finding Missing Angles
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2.3 Finding Missing Angles
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3.3 Finding Missing Angles
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You can find an angle in a right angle triangle by
using the inverse trigonometric ratio.
Inverse trigonometric
functions find angles
rather than a side
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Example 1. Find angle W.
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Example 2. Find angle S.
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Example 4. A 10-foot ladder leans against the side of a building with its base 4 ft. from the wall.
What angle, to the nearest degree, does the ladder make with the ground?
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Example 3. Find angle K.