TRIG IDENTITIES

Question 1

tan x = what/what

Answer 1

sin x / cos x

Question 2

cot x = what/what

Answer 2

cos x / sin x

Question 3

pythagorean identity involving sin and cos

Answer 3

sin^2 x + cos^2 x = 1

Question 4

pythagorean identity involving tan and sec

Answer 4

tan^2 x + 1 = sec^2 x

Question 5

pythagorean identity involving cot and csc

Answer 5

1 + cot^2 x = csc^2 x