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Right Triangle Trig

Right Triangle Trig. 4-3-3. Cofunction identities. Applying trig identities. Let be an acute angle such that . Find the values of and. Example.

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Right Triangle Trig

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  1. Right Triangle Trig 4-3-3

  2. Cofunction identities

  3. Applying trig identities • Let be an acute angle such that . Find the values of and .

  4. Example • A surveyer is standing 50 ft from the base of a large tree. The surveyor measures the angle of elevation to the top of the tree as 71.5. How tall is the tree?

  5. Example • You are 200 yds from a river. Rather than walking directly to the river, you walk 400 yds along a straight path to the rivers edge. Find the acute angle between this path and the river’s edge.

  6. Homework • Pg274#29-32, 57-65 odd

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