Which Quadrant?
which quadrant is 112o in?
2nd quadrant
sinπ/3 =
sinθ = opp/hyp
sinθ = √3/2
How many degrees are in a circle?
360o are in a circle
What is the acronym you can use to help you remeber how to find the trig functions? (sin, cos, tan)
SOH CAH TOA
sinθ = opp/hyp
cosθ = adj/hyp
tanθ = opp/adj
convert 90o to radians
π/2 radians
Which quadrant is -222o in?
the 1st quadrant
tanπ/3 =
tanθ = opp/adj
tanθ = √3
How many radians are in 180o?
π radians
What is the cscθ of the triangle on the board?
cscθ = 5/3
convert π/5 to degrees
36o
Which quadrant is 7π/6 in?
the 3rd quadrant
secπ/3 =
secθ = hyp/adj
secθ= 2
How many seconds are in 1 minute (DMS)
60 seconds
What is the sinθ of the triangle on the board?
sinθ = 3/5
Convert -2π/3 to degrees
-120o
Which quadrant is -π/3 in?
the 4th quadrant
sin-5π/6 =
sinθ = opp/hyp
sinθ = -1/2
1o = how many seconds? (DMS)
3600 seconds
What is the tanθ, and it's inverse, cotθ, of the trisngle on the board?
tanθ = 3/4
cotθ = 4/3
32.6158o
Which quadrant is -5π/3 in?
the 1st quadrant
csc-5π/6
cscθ = hyp/opp
cscθ = -2
Which Trig function is the inverse of Cosine?
Secant
What is the tanθ, and it's inverse, cotθ, of the triangle on the board?
cosθ = 4/5
sceθ= 5/4
Concert 982.8678o to DMS
982o 52' 4''