FUNdamental identities
sin^2x =
What is 1 - cos^2x?
The _______ solution of equation 2cosx-1= 0 is given by this?
What is x=pi/3 and 5pi/3?
sin(u-v) is equal to this
what is sinucosv-cosusinv?
sin2x can be written as this
What is 2 sinxcosx
What is oblique?
sinxsecx =
What is tanx
x=0 is a solution of the equation cosx=0
What is not true?
sin195 can also be written like this
What is sin(135+60)?
the first step in solving sin2x-sinx = 0 is this?
What is change sin2x to 2 sinx cosx?
given A=20 and a=22 inches and b=12 inches could have this many triangles
What is 1 or 2?
sec^2x-/sin^2x is =
What is sec^2x?
To solve secxsin^2x= secx, your first step is this
Whatis subract secx?
sin(5pi-x) is equal to this
What is sinx?
3p/2<x<2pi x lies in this quadrant
What is quadrant 4?
To solve a=15, b=7, d=12 use this law
What is law of cosine?
these are called Pythagorean Identities
sin^2x+cos^2x = 1
1+tan^2 = sec^2 x
1+cot^2= csc^2x
The first step in solving 2sin^2x+cosx+1 is this?
What is convert sin to cos?
The expression tan 40+tan10/1-tan40tan10 can be written as this
What is tan50?
sinx and sin2x will always have the same charge
What is not true?
Solving a triangle means to do this
What is find all sides and angles?
cosx(1+tanx) is equal to this
What is secx?
There are this many solutions to 2sin^2 2x= 1
What is 8?
cos285 can be written as this
What is cos(225+60)
given that cosx is 5/13 in quadrant 4, what is sinx?
What is-12/13?
Solving a=7, b=15, c=20 use this side first with what law
What is law of cosine and side c