Trig identies I need to know Flashcards
1
Q
What is the double angle formula for Sin(2x)
A
2sin(x)cos(x)
2
Q
What is the double angle formule for cos(x) (all three)
A
- cos^2(x) - sin^2(x)
- 2cos^2(x) - 1
- 1 - 2sin^2(x)
3
Q
what is the double angle formula of tan(2x)
A
2tanx
/
1-tan^2(x)
4
Q
What does sin(x) differenciate to?
A
cos(x)
5
Q
what does sin(x) intergrate to?
A
-cos(x)
6
Q
what does cos(x) differenciates to?
A
-sin(x)
7
Q
what does cos(x) integrate to?
A
sin(x)
