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Trigonometry word problems

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Learn it Draw a right triangle for the situation. The angle of elevation is measured up from the horizontal. Then use SOH CAH TOA.

Example: From 30 m away, the angle of elevation to a roof is 40°. How tall is the building?

  1. Height is opposite, 30 m is adjacent → tan.
  2. $h = 30 \tan 40^\circ$.
  3. $h \approx 25.2$ m.

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