1 8.3 Trigonometry MOST IMPORTANT THING TO REMEMBER: If we know the ratio for any 2 sides of a right triangle we know the angle inside the right triangle.
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8.3 TrigonometryMOST IMPORTANT THING TO REMEMBER:If we know the ratio for any 2 sides of a right triangle we know the angle inside the right triangle.
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8.3 Trigonometry
Soh Cah ToaEx. Find Sine, Cosine, and Tangent for angle A
A
B
C
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8.3 Trigonometry
Soh Cah Toa
What are the trig ratios for angle B?
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8.3 Trigonometry
Trigonometry in the CalculatorUse a Calculator to find each trig value.
If we know the ratio for any 2 sides of a right triangle we know the angle inside the right triangle.
1. Sine of 48o
2. Cosine of 26o
3. Tangent of 41o
What do all of these values represent?
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8.3 TrigonometryTrig in the Real WorldA cliff forms an angle of 84o with a lake. If you stand on the edge of the cliff and drop a rock at a height of 48 feet, how far from the cliff will the rock hit the water?
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8.3 Trigonometry
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8.3 TrigonometryIf we know the ratio for any 2 sides of a right triangle we know the angle inside the right triangle.If we know the sine, cosine, and tangent ratio for an angle, we can use the inverse to find the angle measure.
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8.3 TrigonometryFind the measure of angle T, round to the nearest degree.
R
S T
R
S T7
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If we know the ratio for any 2 sides of a right triangle we know the angle inside the right triangle.
Soh Cah Toa
1. Sine of 48o
2. Cosine of 26o
3. Tangent of 41o
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