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9.5 Trigonometric ratios. How are trigonometric ratios used to find missing sides of right triangles?. 3 basic trig ratios. Sine (sin) Cosine (cos) Tangent (tan) Sin Cos Tan . Just remember Chief…. SOH CAH TOA. ppos i te. angent. ppos i te. ypotenus. osine.
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9.5 Trigonometric ratios How are trigonometric ratios used to find missing sides of right triangles?
3 basic trig ratios • Sine (sin) • Cosine (cos) • Tangent (tan) • Sin • Cos • Tan
Just remember Chief… SOH CAH TOA ppos i te angent ppos i te ypotenus osine dj acent ypotenus dj acent ine
Angle of elevation/depression angle of depression angle of elevation ground
ExampleFind the height of the tree You are given the adj side & finding the opp side. tan 48o = h/100 100 tan 48o = h 111.06 = h About 111 ft h Use tangent!! __ __ 48o 100 ft
Example 2000 ft 100ft __ __ ?
One early escalator built in 1896 rose at an angle of 25º. The vertical lift was 7 feet. Estimate the distance a person traveled on this escalator.
When the shuttles’s altitude is about 15.7 miles, its horizontal distance to the runway is about 59 miles. What is its glide angle?