Purchase Solution

Sum and difference formula

Not what you're looking for?

Ask Custom Question

Please see the attached file.

Solve: sin 285 = sin (225 + 60)

[This is an easy problem, but I need to see all the steps that lead up to the following answer;]

-2/4(3-1)

[I got this answer: (-2 - 6)/4 I guess I'm really asking to see the steps in factoring my answer in order to match the above answer]

Attachments
Purchase this Solution
Solution Summary

The sum and differences for formulas are determined.

Solution Preview

see attachment

Solve: sin 285 = sin (225 + 60)

[This is an easy problem, but I need to see all the steps that lead up ...

Purchase this Solution
Free BrainMass Quizzes
Solving quadratic inequalities

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

Graphs and Functions

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

Multiplying Complex Numbers

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

Geometry - Real Life Application Problems

Understanding of how geometry applies to in real-world contexts

Know Your Linear Equations

Each question is a choice-summary multiple choice question that will present you with a linear equation and then make 4 statements about that equation. You must determine which of the 4 statements are true (if any) in regards to the equation.

View More Free Quizzes
Related BrainMass Solutions

  • Arithmetic Sequence

    The sum of an arithmetic series is found by multiplying the number of terms times the average of the first and last terms. c. Using the formula for the sum of an arithmetic series, what is the sum of the first 20 term?

  • Arithmetic Sequence

    The formula is: So, with n = 101 and d = 2, an = 1 + 100(2) = 103 c) Using the formula for the sum of an arithmetic series, what is the sum of the first 20 terms?

  • Trigonometry - formulas

    A variety of trig problems that use half angle formula and sum and difference formulas

  • Arithmetic series

    d) Using the formula for the sum of an arithmetic series, what is the sum of the first 30 terms?

  • Sequences and Series : Use the arithmetic sequence of numbers 2, 4, 6, 8, 10... to find the following:

    72077 Sequences and Series : Difference between Terms and Sums of First n Terms Use the arithmetic sequence of numbers 2, 4, 6, 8, 10... to find the following: a) What is d, the difference between any 2 terms?

  • Arithmetic Series : Finding d, the difference between any 2 terms.

    Using the formula for the sum of an arithmetic series, what is the sum of the first 20 terms? Using the formula for the sum of an arithmetic series, what is the sum of the first 30 terms?

  • Sequences and Series

    Here = 10[2*2+19*2] = 420 Here a denotes the first term and d the common difference d) Using the formula for the sum of an arithmetic series, what is the sum of the first 30 terms? Answer: Show work in this space.

  • arithmetic and geometric progression , classical problem

    65625 Sequences and Series I need assistance in discerning sequences and series including the classical grains and checkboard problem 1) Use the arithmetic series of numbers 1, 3, 5, 7, 9,...to find the following: a) What is d, the difference between

  • Arithmetic and Geometric Sequences

    126488 Arithmetic and Geometric Sequences and Series Use the arithmetic sequence of numbers 2, 4, 6, 8, 10... to find the following: a) What is d, the difference between any two consecutive terms?

  • MS Excel

    While she feels confident in collecting the data and entering it into an Excel workbook, she is unsure of what type of formulas or functions she might need to use and is not sure of the difference between a formula and a function.

View More Related Solutions