Alek Math Exam equations flashcards

Question 1

what is i?

Answer 1

i is an imaginary number or complex numbe4r

Question 2

what does i^2 equal?

Answer 2

i^2 equals -1

Question 3

what does i equal?

Answer 3

i equals the square root of -1

Question 4

what does SOH-CAH-TOA stand for?

Answer 4

sin(opposite hypotenuse), Cos(adjacent hypotenuse), Tan(opposite adjacent)

Question 5

what is csc?

Answer 5

csc is the opposite of sin

Question 6

what is the formula for csc?

Answer 6

hypotenuse / opposite or 1/sin

Question 7

what is the formula for sec?

Answer 7

hypotenuse/ adjacent or 1/cos

Question 8

what is the formula for cot?

Answer 8

adjacent/opposite or 1/tan

Question 9

if you are trying to find a circular trig function how would you label the triangle

Answer 9

the bottom of the triangle would be labeled x, the vertical side would be labeled y and the

Question 10

what are the coordinates for the first quadrant

Answer 10

(+,+)

Question 11

what are the coordinates for the second quadrant?

Answer 11

(-,+)

Question 12

what are the coordinates for the third quadrant?

Answer 12

(-,-)

Question 13

what are the coordinates for the fourth quadrant?

Answer 13

(+,-)

Question 14

what is the tangent function

Answer 14

y = tan x

Question 15

what is the cycle for a tangent?

Answer 15

negative pi/ 2

Question 16

what is the period for tangent?

Answer 16

pi

Question 17

what is the amplitude of tangent?

Answer 17

there is no amplitude

Question 18

what is the formula for csc?

Answer 18

hyp/opp

Question 19

what is the formula for sec?

Answer 19

hyp/adj

Question 20

what is the formula for cot?

Answer 20

adj/opp

Question 21

how does absolute value work?

Answer 21

is its distance from zero (0) on a number line. This action ignores the “+” or “–“ sign of a number because distance in mathematics is never negative.

Question 22

what is the power of a power rule

Answer 22

(a^m)^n = a^mn

Question 23

what is the power of a product rule

Answer 23

(ab)^n= a^nb^n