Pre Calc And Trig Flashcards
1
Q
What are the coordinates at pi / 6
A
(Sqrt(3)/ 2 , 1/2)
2
Q
What are the coordinates of pi / 4
A
(Sqrt(2)/2 , Sqrt(2)/2)
3
Q
What are the coordinates of pi / 3
A
(1/2 , sqrt(3)/2)
4
Q
What does sin 2x equal
A
2sin x cosx
5
Q
1 + tan^2x =
A
sec^2x
6
Q
Sec^2x-1=
A
Tan^2x
7
Q
Cos (2x) =
A
1-2sin^2x
8
Q
1+ cot^2 x =.
A
Csc^2 x
9
Q
Csc^2 x - 1 =
A
Cot^2x
