Trigonometry

What is the three syllable acronym that can be used to easily remember the three basic trigonometric ratios?

SOH-CAH-TOA

What is the formula to calculate sine of theta from a right-angled triangle?

What is the formula to calculate cosine of theta from a right-angled triangle?

What is the formula to calculate tangent of theta from a right-angled triangle?

What is the Pythagorean theorem?

The Pythagorean theorem states that for three sides of a triangle A, B and C, the length of the sides hold to A² + B² = C² where C is the length of the hypotenuse of the triangle.

What is the formula to calculate cosecant (csc) of theta from a right-angled triangle?

What is the formula to calculate secant (sec) of theta from a right-angled triangle?

What is the formula to calculate cotangent (cot) of theta from a right-angled triangle?

How do you convert a measure in radians to a measure in degrees?

When given a point on the circumference of the unit circle in quadrant one P(X, Y), how do you determine the size of the angle that touches the centre of the circle to create a triangle between the centre of the circle, the point P(X, Y) and the X-axis?

What is the formula to calculate tan(theta) from sin(theta) and cos(theta) using the unit circle?

What is 360 degrees in radian terms?

2π

State the Pythagorean Trigonometric Identity.