27. For the equation below, find all degree solutions in the interval 0° sO5 360°. Give your answer in degrees. If rounding is necessary, round to the nearest tenth of a degree. Use your graphing calculator to verify each solution graphically. 14sin? 0- 25cos 20 = 0 28. Solving the following equation will require you to use the quadratic formula. Solve the equation for 0 between 0° and 360°, and round your answers to the nearest tenth of a degree. 9sin? 0- 6cos e-4 = 0

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Percentage

A percentage is a number indicated as a fraction of 100. It is a dimensionless number often expressed using the symbol %.

Algebraic Expressions

In mathematics, an algebraic expression consists of constant(s), variable(s), and mathematical operators. It is made up of terms.

Numbers

Numbers are some measures used for counting. They can be compared one with another to know its position in the number line and determine which one is greater or lesser than the other.

Subtraction

Before we begin to understand the subtraction of algebraic expressions, we need to list out a few things that form the basis of algebra.

Addition

Before we begin to understand the addition of algebraic expressions, we need to list out a few things that form the basis of algebra.