8-3 Solving Right Triangles 8-3 Solving Right Triangles

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8-3 Solving Right Triangles

Finding Angles

• So, use the cos -1 on both sides of the

equation. On the right hand side, cos -1 and

cos cancel, leaving you just x.

• On the left hand side, we must use our

calculators.

Holt McDougal Geometry

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8-3 Solving Right Triangles Finding Angles • So, use the cos -1 on both sides of the equation. On the right hand side, cos -1 and cos cancel, leaving you just x. • On the left hand side, we must use our calculators. Holt McDougal Geometry

8-3 Solving Right Triangles Finding Angles-Calculator • Most of you will type it exactly as it is read: 2nd -> cos -> 15 / 22 ) -> Enter • Others will have to work backwards: 15 / 22 -> Enter -> 2nd -> cos Holt McDougal Geometry

Page 1 and 2: 8-3 Solving Right Triangles 8-3 Sol
Page 3 and 4: 8-3 Solving Right Triangles Check I
Page 5 and 6: 8-3 Solving Right Triangles Finding
Page 7: 8-3 Solving Right Triangles Finding
Page 11 and 12: 8-3 Solving Right Triangles 2. Find
Page 13 and 14: 8-3 Solving Right Triangles 4. Find

8-3 Solving Right Triangles 8-3 Solving Right Triangles

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