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Trigonometry Review

Trigonometry Review. LO: Iwbat to use sine, cosine, tangent, the law of sines , and the law of cosines to find angle measures and side lengths. Recall how trig works in right triangles, remember SOHCAHTOA?. Solve using a calculator.

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Trigonometry Review

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  1. Trigonometry Review LO: Iwbat to use sine, cosine, tangent, the law of sines, and the law of cosines to find angle measures and side lengths.

  2. Recall how trig works in right triangles, remember SOHCAHTOA?

  3. Solve using a calculator How would you solve these? From what triangle did they come? How do you find an angle measure? 4. 5.

  4. Don’t forget the inverses as well!

  5. Right triangle trig only works in right triangles. The law of Sines and Cosines work WITH ANY TRIANGLE! Law of Sines– Works best with at least 1 angle and the corresponding side. Ex. Knowing angle C and side c

  6. Find all missing sides and angles

  7. Law of cosines works best when you 2 sides and the angle in-between.

  8. How do find the missing information?

  9. Which should I use, Law of Sines or Cosines?

  10. Your assignment is…. Trigonometry Packet Due Tuesday!

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