Conics
Logarithmic Equations
Inverse Trig Equations
Content Questions
Trigonometry Equations/Questions
100

What is the equation of a circle?

(x - h)² + (y - k)² = r²

100

What is another way you can write log216=4

24=16

100

sin-1(1)

π/2

100
What is the average rate of change formula?

f(b)-f(a)/b-a

100

How do you find the period of a sine function?

Period=2π /b

200

Identify the conic section and the center:

(x-8)2/49+(y-2)2/9=1


An ellipse with a center of (8,2).

200

Solve:

4+log4x=8

x=256

200

cos-1(tan(3π/4))

π

200

What is happening to the ROC if a function is concave down? Concave up?

If the function is concave down, the ROC is decreasing, and if it is concave up, the ROC is increasing.

200

tan (7π)

0

300

What is the specific type of parabola, given the equation:

y+3=1/7(x-4)2

Vertical parabola, because the (x-4) is being squared. 

300

Solve:

log3(8x+9)=4

x=9

300

cos-1(0)

π/2

300

3π/2 on the unit circle is equivalent to how many degrees?

270 degrees 

300

What quadrant can each inverse trig function come from?

sin-1x

cos-1x

tan-1x


sin-1x: 1 and 4

cos-1x: 1 and 2

tan-1x: 1 and 4

400

How do you find the p value of a parabola?

1/4p=a

400

Solve:

log5(4x+12)=log5(x+7)

x=-5/3

400

arcsin(square root of 2/2)

π/4

400

What is this equation used for?

A(t)=aert

Continuous growth and decay

400

cot (5π/3)

Square root of -3/3

500

Complete the square in order to then determine the conic section:

x2+6x+8y+1=0


(x+3)2=-8(y-1)

Parabola

500

Solve:

log6(3x+14)-log65=log62x

Hint: This uses one of the condensing rules.

x=2

500

cos(sin-1(1/2))

Square root of 3/2

500

What is the domain and range of a logarithmic function?

D: (0,∞)

R: (-∞, ∞)

500

What are the three Pythagorean Identities?

sin²(θ) + cos²(θ) = 1

1+cot2x=csc2x

1+tan2x=sec2x