solving trig equations Flashcards
1
Q
When asked to give all solutions on a trig equation ex: 2cos(x)+1=0 you should add a
A
K ex: 2π/3 +2πk
2
Q
sec x is
A
1/cosx
3
Q
tan(x) is
A
sin(x)/cos(x)
4
Q
cos^2(x)+sin^2(x) is
A
1
5
Q
1-sin^2x is
A
cos^2x
6
Q
tan^2(x)+1 is
A
sec^2(x)
7
Q
cot^2(x) +1 is
A
csc^2(x)
8
Q
cos(x)/sin(x) is
A
cot(x)
