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Trig notes

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L
Loreto Normanhurst

To solve trigonometry problems, draw a diagram labeling the sides and angle given, choose the appropriate trigonometric ratio based on the information provided, substitute the known values into the ratio formula, then use a calculator to solve for the unknown length.

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Follow these steps to solve TRIG problems: 1. Draw a diagram! 2. Labels the sides O, H and A for the angle given 3. Choose from SOH CAH TOA which ratio is needed 4. Substitute the values you’ve been given into the ‘formula’ 5. Use your calculator to solve and find the unknown length

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Trig notes

  • 1.
  • 2. Follow these steps to solve TRIG problems: 1. Draw a diagram! 2. Labels the sides O, H and A for the angle given 3. Choose from SOH CAH TOA which ratio is needed 4. Substitute the values you’ve been given into the ‘formula’ 5. Use your calculator to solve and find the unknown length