Comp book: Trigonometry

Question 1

Sin^2 X + Cos^2 X = ?

Answer 1

1

Question 2

1 + tan^2 = ?

Answer 2

Sec^2

Question 3

1 + cot^2 = ?

Answer 3

Csc^2

Question 4

Sin2x

Answer 4

2SinxCosx

Question 5

Cos2x

Answer 5

1-2sin^2 x

Question 6

On a graph, what are the coordinates of the trig graph (x,y)

Answer 6

(Cos, Sin)