Trig Functions
What is the ratio for sine?
What is Opposite over Hypotenuse?
Find theta (the missing angle) with the given information: Adjacent = 12 Hypotenuse = 13
cos-1(12/13) = 22.6
Draw a triangle with an angle of depression of 40 degrees.
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angle of depression: down from horizontal line
What is Ms Blackwood's favorite sport?
Ultimate frisbee
What is the ratio for cosine?
What is Adjacent over Hypotenuse?
Find theta (the missing angle) if
Adjacent =13 Opposite = 4
What is 17.1 degrees?
tan-1(4/13) = 17.1
Chicas is standing 42 feet away from the base of a building looking up with an angle of elevation of 48 degrees, at Quinton, who is fixing to throw a baseball down to him. How tall is the building?
What is 46.6 degrees?
In what city did Ms Blackwood live and teach before coming to work at DCI?
Chicago
What is the ratio for tangent?
What is opposite over adjacent?
In a right triangle one of the acute angles is 72 degrees. What is the measure of the other acute angle?
What is 18 degrees?
(90+72+18 = 180 degrees)
Hannah, Jennifer, Vivi, Citlalli, Astrid, and Lindsey are all at an apple farm picking apples off of a tree. Hannah bets them all that she can climb to the top and get the highest apple, which is 52 ft off the ground. If Astrid, Jennifer, Vivi, Citlalli, and Lindsey are 9 feet from the tree, what is the angle of elevation from the girls to Hannah in the tree?
What is 80.2 degrees?
What type of pet does Ms Blackwood have?
cat
If you need to find an ANGLE and you know the adjacent and opposite sides, what do you use?
What is tan-1? (inverse tan)
Find Theta (the missing angle) if: Hypotenuse = 9 Adjacent = 6
What is 48.2?
cos-1(6/9) =48.2
If two sides of a right triangle are labeled and NO angle, what formula can you use to find the 3rd side of the triangle?
a2 + b2 = c2
Chris, Grant, Erick, and Tam decide to have a Pokémon battle. Erick Summons Charizard stands at 18 feet high, and Erick is looking down at Charizard with an angle of depression of 27 degrees, how far away is Erick from his Pokémon? (direct line between them)
What is 39.6 feet away?
What profession is Ms Blackwood's husband working/training in?
doctor
If you need to find an ANGLE and you know the hypotenuse and adjacent sides, what do you use?
What is cos-1?
What is the largest angle that will be found using sine, cosine or tangent in a right triangle?
What is 89.999 degrees?
(must be less than 90 because the sum of all angles is 180)
Find the missing side: Opposite = 4 Hypotenuse = 14
What is 13.4?
(pythagorean theorem)
Kobe and Cameron are standing on the 50th floor of a hotel looking out the window (70 feet high). They look downward (at an angle of depression of 33 degrees) and see a cute dog. How far away is the dog from the base of the building?
What is 107.8 feet?
Where will Ms Blackwood be moving to next year?
Portland, Maine