Trigo Flashcards
1
Q
(Sin^2)x + (cos^2)x =
A
1
2
Q
Tan^2 +1=
A
(sec^2)x
3
Q
(cotan^2)x +1=
A
(Cosec^2) x
4
Q
(Sin^2)x=
A
(1-cos(2x))/2
5
Q
(cos^2)x=
A
(1+cos(2x))/2
6
Q
Sin(2x)=
A
2sinxcosx
7
Q
Cos(2x)=
A
(cos^2)x-(sin^2)x
8
Q
Cosec=
A
1/sin
9
Q
Sec=
A
1/cos
10
Q
Cotan=
A
1/tan
