Purchase Solution

Find the exact value of the expressions

Not what you're looking for?

Ask Custom Question

Find the exact value to the expressions cos(alpha+beta) and sin(alpha+beta) and tan(alpha+beta) under the following conditions..
cos(alpha)=21/29, alpha lies in quadrant 4, and sin(beta)= -4/11, beta lies in quadrant 3.

Purchase this Solution
Solution Summary

This solution explains how to find the exact value of the given expressions.

Purchase this Solution
Free BrainMass Quizzes
Graphs and Functions

This quiz helps you easily identify a function and test your understanding of ranges, domains , function inverses and transformations.

Exponential Expressions

In this quiz, you will have a chance to practice basic terminology of exponential expressions and how to evaluate them.

Probability Quiz

Some questions on probability

Solving quadratic inequalities

This quiz test you on how well you are familiar with solving quadratic inequalities.

Multiplying Complex Numbers

This is a short quiz to check your understanding of multiplication of complex numbers in rectangular form.

View More Free Quizzes
Related BrainMass Solutions

  • Trigonometry Finding Exact Values

    508918 Trigonometry Finding Exact Values 1. Find the exact value of the following expressions given that sec(x) = 3/2, csc(y) = 3 and x and y are in quadrant I. a) cost(x - y) b) sin(2y) c) tan(y/2) 2.

  • Factoring Polynomials to Prime

    Express the solution set in terms of natural logarithms. 17. Solve the logarithmic equation. Be sure to reject any value that is not in the domain of the original logarithmic expressions. Give the exact answer.

  • Simplfy quadratic equations.

    In a right angle triangle, find the length of the side not given B=2, c= The length of the third side is Simplify your answer. Type an exact answer, using radicals as needed. 28. Solve (a) (b) Find the x-intercepts of 29.

  • Finding Values of Trigonometric Expressions

    Use sketch to find the exact value of the following Trigonometric expressions. 1) 2) SOLUTIONS 1) Step by step solution : Let  = then Sin  = ,  being a first quadrant angle.

  • Trigonometric Equations

    Use the given information to find the exact value of the expression: Find cos(2, θ ) , csc θ = 5/3, θ lies in quadrant II -7/25 24/25 7/25 -24/25 ..........................................................

  • Rational and radical expressions

    213532 Rational and Radical Expressions Please assist with the attached algebra. 1. Find the square roots of 4900 What is the principal square root of 4900? 2. Find the square root that is real number 3.

  • Radical Expressions and Operations

    Type an exact answer, using radicals as needed. 23. Add. Simplify by collecting like radical terms if possible. Please see the attachment. This provides several examples of performing operations on radical expressions and simplifying.

  • Several problems on Radical expressions

    198280 Radical Expressions Radical Expressions. See attachment for equations 1. Find the square root of 8100 2. Find the square root that is the real number 3. Find each function value, if it exists 4. Find the following.

  • Algebra - Radicals - Practice Problems

    Give an exact answer and an approximation to three decimal places What is the exact value of c, what is the value of c approximated to three decimal places? 4. Multiply and simplify by factoring 5. Simplify 6.

View More Related Solutions