Review Trig Functions. Vocab 1) The number of radians in one revolution is ___. 2) Sine and cosine are both negative in the quadrant.

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Presentation transcript:

Review Trig Functions

Vocab 1) The number of radians in one revolution is _______. 2) Sine and cosine are both negative in the ____ quadrant.

Conversions 1) Convert 95 o 15’ to DD 2) Convert 135 o to radians 3) Convert 3.2 to DMS

Coterminal

Apparent Size The apparent height of a building 3 km away is.02 radians. What is the height of the building? S =.06 km = 60 meters

Arc Length and Area A sector of a circle has an arc length of 10 cm and a central angle of 40°. a. Find its radius of the sector to the nearest hundredth. b. Find the area of the sector to the nearest hundredth.

Arc Length and Area A sector of a circle has perimeter of 20 cm and area of 16 cm 2 find all the possible radii. r = 8 or 2 cm

Trig Functions – Picture!

Evaluate 1) sec 124 o 2) cot 48 o 3) csc 4 4) tan 5 1)-1.792).90 3) ) -3.38

Evaluate 1)12) undefined 3) 04) 0

Evaluate