Trigonometry

Reference Angles and Triangles

The value of Sin 420 * is equal to?

Of the fifth students, 15/20 went to the book fair. Of the students who went to the book fair, 12/16 bought ar least one book. What fraction of fifth grade students bought at least one book?

A building with a height of 32m casts a shadow that is 20m long. a person standing casts a shadow that is 1.2 m long how tall is the person

2a^2-7a+76=0 ...

There are two circles, one represented by the equation (x+2) ² + (y-6) ²=729 and the other is represented by the equation (x-16) ² + (y+49) ²=28² a. Which circle has a bigger area? Explain how you know. Be clear and complete. b.

A restaurant ordered four packages of paper napkins. yesterday they used up one package, and today they used up 140 napkins. two packages plus 60 napkins remain. how many napkins are in each package

A red bird is flying at an elevation of 17 1/9 meters. A blue bird was flying at an elevation of 10 3/5

What is the decimal notation for 3 over 40

Round 4.75 to the nearest whole number

What's 6c+14=-5c+4+9 for c

The set (5, 10, 15, 20, ...) represents the multiples of 5 written in?