Simplify the following expression:
2/3-7/15
1/5
What does SohCahToa stand for?
sin(theta)=(opp)/(hyp)
cos(theta)=(adj)/(hyp)
tan(theta)=(opp)/(adj)
What is the reference angle of
(57pi)/56?
pi/56
Evaluate the following expression:
csc((pi)/4)
sqrt2
Double Points!
Draw a dragon, best drawing wins
DOUBLE POINTS
Simplify the following expression:
sqrt1440
12sqrt10
Find the length of the missing side:
2sqrt5
Why is
cos(pi/3)=1/2?
Because at that angle, the x-value in the unit circle is
1/2
Evaluate the following expression:
sin(-(19pi)/6)
1/2
In a standard high school research paper, where exactly can the thesis usually be found?
At the end of the introduction.
Simplify the following expression:
6/sqrt3
2sqrt3
DOUBLE POINTS
The sine of an angle in a triangle is equal to
3/7
What is the tangent of that angle?
(3sqrt10)/20
Draw a unit circle with all it's identifying characteristics:
(HINT: there are 2)
Which trigonometric function does this simplify to?
sin(theta)/(1-cos^2(theta))
csc(theta)
What is the formula for the circumference of a circle?
2pir
Factor the following expression completely:
32x^4-2w^8
2(4x^2+w^4)(2x+w^2)(2x-w^2)
Find each of the 6 trigonometric values for the angles depicted below:
sin(theta)=3/5
cos(theta)=4/5
tan(theta)=3/4
csc(theta)=5/3
sec(theta)=5/4
cot(theta)=4/3
Evaluate the following expression:
cos((7pi)/6)
-sqrt3/2
DOUBLE POINTS
On your whiteboard...
Prove the identity
sin^2(x)+cos^2(x)=1
What Major Greek God is known for Earthquakes and Horses.
Poseidon
Solve the following equation:
0=4x^2-2x-2
x=-1/2, 1
Write out an expression to find the value of the angle below:
sin^(-1)(3/5)
OR
cos^(-1)(4/5)
OR
tan^(-1)(3/4)
DOUBLE POINTS
On your whiteboard...
Sketch the graph of
y=sin(x)
on any interval and label any 5 coordinate points on it
Find the value of the following:
sin^2(-(5pi)/6)+cos^2(-(5pi)/6)-cot^2(-(5pi)/6)
-2
Make Mr. Kyriakidis laugh get the points.