Identities
What is equivalent to 1/secX
What is cosX
How many identity variations are there for cos(2X)?
What is 3
(1+cos(2X))/2=
What is cos2X?
What is the cos(X+Y) equal to?
What is cosXcosY - sinXsinY
What is the sin of 30 degrees?
What is 1/2
sin2X + cos2X = ?
What is 1
1-2sin2X=
What is cos(2X)?
cos(X/2)=
What is + or - √ (1+cosX/2)?
What is X and Y when cos=75 degrees
hint: (positive integers being added)
What is 30 degrees, 45 degrees
What is the secant of 0 degrees?
What is 1
sin(2X)=(?)sinXcosX
What is 2
2cos2X-1=
What is cos(2X)?
sin(X/2)=
What is + or - √ (1-cosX/2)?
What is the cos of 15 degrees equal to?
What is (√6 + √2)/4
What is the cotangent of 135 degrees?
What is -1
What are the identities called that contain the identity, sin(-X)= -sinX
What is Even/Odd Identities
tan(2X)=
What is (2tanX)/1-tan2X?
tan(X/2)=
What is + or - √ (1-cosX/1+cosX)
Complete the sum/difference identity, sin(X+Y)=?
What is sinXcosY+sinYcosX
Which radian has the same tangent as 30 degrees?
What is 210 degrees
What is the cos sum/difference identity?
What is cos(X +or- Y)= cosXcosY -+ sinXsinY
Given cosX=3/5, sin(2X)
what is 24/25?
Given cosX=3/5, find cos(1/2)X
What is (2√ 5)/5
What is the sin of 105 degrees equal to?
What is (√6+√2)/4
What is the simplified tangent of -5π/3?
What is √3/3