“I love waking up in the morning not knowing where I'm gonna go or who I'm gonna meet. Just the other night I was sleeping under a bridge, and now here.

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Presentation transcript:

“I love waking up in the morning not knowing where I'm gonna go or who I'm gonna meet. Just the other night I was sleeping under a bridge, and now here I am, on the grandest ship in the world, having champagne with you fine people. ”

8.3b/8.4b: Tangent, Sine, and Cosine Ratios 8.5: Angles of Elevation and Depression

Sine/Cosine Sine:Cosine: SOHCAHTOA Tangent:

Trig Find the value of the variable to the nearest tenth.

Find x to the nearest degree. Trig Find x to the nearest degree.

Trig Find the value of x in the following triangles.

Angle of Elevation Angle of Elevation: the angle to which an observer would have to raise their line of sight above a horizontal line to see an object

Angle of Elevation Angle of Depression: the angle that an observer would have to lower their line of sight below a horizontal line to see an object

Angle of Elevation A surveyor stands 200ft from a building to measure its height with a 5ft tall theodolite. The angle of elevation to the top of the building is 35°. How tall is the building.

Angle of Depression An airplane is flying 3500 ft above the ground and begins a 2°descent to land at an airport. How many miles from the airport is the airplane when it starts its descent? 3500ft 2° x

Angles of elevation and depression A campsite is 9.41 miles from a point directly below the mountain top. If the angle of elevation is 12º from the camp to the top of the mountain, how high is the mountain?

8.3b/8.4b: Tangent, Sine, and Cosine Ratios HW: Wrksht THT: Due Monday!!! 8.5: Angles of Elevation and Depression