The sine of the angle is the adjacent side over the hypotenuse.
Sin(2A) = Cos(A)
SinA = ?
What is the period of the sine function?
What is the area of the shaded sector?
Hint: Convert the angle to radians first
2tan(x) = tan(2x)
tan(x) = ?
What is the area of the yellow shaded area?
The period of the graph y=tan(x) is π
Find |BC|, to the nearest decimal place.
tan(x) = sin(x).
What is the smallest non-negative value for x that satisfies this equation?
Sin(2x) + Cos(2x) = 1