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Trigonometry
More Trig :)
Logarithms
Exponential Functions
Facts about Ms. Bai
100

Sin= ? Cos= ? Tan= ? Cot= ? Sec= ? Csc= ?

(the ratios)

sin= o/h cos= a/h tan= o/a cot= a/o sec= h/a csc= h/o

100
sec(x)=2 0≤x≤pi/2
pi/3
100

What transformations were made on the following function (compared to the basic function)? h(x)=-log (x-1) +2

right 1 unit, reflect across x-axis, translate up 2 units

100

Write a new equation so it shows the following transformations f(x)=2x
-3 units to the right
-5 units down
-stretch by factor of 3

f(x)=3(2(x-3))-5

100
Where is Ms. Bai from?

California~

200
What is sin(5pi/4)?
-sqrt(2)/2
200

 In which quadrant is there a tangent that is positive and a cosine that is negative?


Quadrant III

200

Solve log232

5

200

Solve the equation:

43x-2= 2

5/6

200

What college did Ms. Bai go to?

UC San Diego~ Go Tritons!!

300

What is the period of the function y=tan(5x)?

pi/5

300

Find an angle with a positive measure that is coterminal to the angle 100 degrees.

Answers may vary: 460, 820, 1,280...
300

Solve: ln(3x+4)=5. Leave your answer in terms of e.

(e5-4)/3

300

Find the value of f(x) when x=4, 0, and -3 f(x)=2x

f(4)=16 f(0)=1 f(-3)=1/8

300

What is Ms. Bai's favorite color?

Yellow!!

400
Find tan(x) and sec(x) if sin(x)=-2/5 and cos(x)>0
tan(x)=-2/sqrt(21) sec(x)= 5/sqrt(21)
400

Rewrite the degree measure in radians: 50 degrees

5pi/18

400

Evaluate the expression: log41

0

400

What is the 6th term of the geometric sequence?

a1=7, r=2

224

400

How many different subjects does Ms. Bai teach this year?

4-- Algebra I, Geometry Honors, Algebra II, Precalculus

500

State is amplitude, period, phase shift and vertical translation of the function. (relative to the parent function) y=5cos(3x)+0.5

amplitude- 5
period- 2pi/3
vertical translation- 0.5 units up

500
From a point 100ft from its base, the angle of elevation of the top of the Arch of Septimus Severus in Rome, Italy, is 34*13'12". How tall is this monument?
68.01ft
500

Write in log form 2x=3

log23=x

500

A city with a population of 123,000 increases at a rate of 10% annually. What function represents this situation?

f(x)=123,000(1.1)x

500

When Ms. Bai first entered BIS, what 3 other teachers did she enter at the same time with?

Mr. Jinsol Kwon, Ms. Kil, Ms. Kang