Unit Circle
The reference angle of 138 degrees is this.
What is 48?
The reciprocal identity of 1/cot is this.
What is Tan?
All the angles of sin(x)=1/2 in 0<x<360 is this.
What is 30 and 150?
The factors of 4sin^2x-1=0 is this
What is (x=7𝝅/6,11𝝅/6) and (x=𝝅/6,5𝝅/6)?
The midline of y=sinx-4 is this.
What is -4?
The quadrant of of 393 degrees is this.
What is quadrant I?
The Pythagorean identity that equals 1 is this.
What is sin^2(x)+cos^2(x)?
The angle of 2sin(x)^2+3sin(x)-5=0 in 0<x<360 is this.
What is 90?
The factors of 2cos^2x-1cosx-3=0 is this.
What is x=𝝅?
The amplitude of y=-6sinx-3 is this.
What is -4?
The exact trigonometric function value of tan 225 is this.
What is 1?
The double angle identities of cos(2A) is this.
What is cos^2(A)-1?
The value of √4 csc x+2=0 in 0<x<2𝝅 is this.
What is 3𝝅/2?
The factors of csc-2=0 is this.
What is (x=𝝅/6,𝝅-𝝅/6) and (x=𝝅/6,5𝝅/6)?
The period of y=-25cos(𝝅/25x) is this?
What is 𝝅/25x ?