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To find the angle we need to use the inverse trigonometry ratios. These are accessed on your calculator by pushing '2nd F' or 'Shift'.
When typing into your calculator make sure you use brackets
Each time you click this button it will generate a different set of questions if you want to keep practicing!
Sine (Sin)
Sine (Sin)
Cosine (Cos)
Cosine (Cos)
Tangent (Tan)
Tangent (Tan)
Example 1:
Example 1:
Example 2:
Example 2:
Choose a ratio
Substitute in values
Calculate and round
Choose a ratio
Substitute in values
Calculate and round
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