Trigonomic Identities | Unit Circle Trig | Direct, inverse, joint variation | SOH-CAH-TOA | Radians vs Degrees |
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What is cot(x)*sec(x)+1
Simplify:
(Cos(x)/sin(x)) * sec(x) + sin^2(x) + cos^2(x) |
What is reference number?
The shortest distance along the unit circle between the terminal point determined by t and the x axis
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What is K?
Constant of proportionality.
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What is cot(theta)?
Adjacent/opposite
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What is 1 radian?
(180/pi) degrees =
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What is csc(x)
Simplify:
Sec((pi/2)-x) |
What is the equation of the unit circle?
X^2 + y^2=1
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What is joint variation?
Z=KX/Y
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What is csc(theta)?
Hypotenuse/opposite
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What is 105 degrees?
(7pi)/12 radians expressed in degrees
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What is 1 + tan^2(x) = sec^2(x)
Simplify:
(1/cot(x)) * (sin(x)/cos(x)) + cos(x) * sec (x) |
What is t=pi/3?
Find the reference number T=-5pi/3
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What is r= Pkx(P-x)
Find equation- rate R at which a disease spreads in a population size P and is jointly proportional to the number of X infected people, P-X are those who aren't infected
P= 10 million Find the equation |
What is theta = 30 degrees
Find theta in degrees:
Cos(theta) = (root3)/2 |
What is (3pi)/16?
33.75 degrees expressed in radians
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What is 1=1
Prove that this statement is true:
Sin^2(x) + cos^2(x) = tan(x) * cot(x) |
What is X=- root .75?
P: (X,1/2) and it is in quadrant two. Find x.
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What is k = 4
X varies directly with y and inversely with a
X = 20 Y = 10 Z = 2 Find K |
What is theta = 60 degrees?
Find theta in degrees:
csc(theta) = (2root3)/3 |
What is standard position?
And angle is in _______ if it is drawn in the xy-plane with its vertex at the origin and it's initial side on the positive x-axis
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What is tan^2(x) = tan^2(x)
Prove that this statement is true:
Sec^2(x) - 1 = (1/(cos(x)/sin(x)))^2 |
What is (root2/2, -root2/2)?
Terminal points T=-pi/4
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What is z=kxy?
Z varies jointly with x and y
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What is
Sin= (root2)/2 Cos= (root2)/2 Tan= 1 Csc= root2 Sec= root2 Cot= 1
Find sin, cos, tan, sec, csc, and cot for theta = 60 degrees
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What is 1 degree?
Pi/180 radians=
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