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Get Full Access to College Algebra - 9 Edition - Chapter 6.7 - Problem 16
Get Full Access to College Algebra - 9 Edition - Chapter 6.7 - Problem 16

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# Answer: In 1522, find the principal needed now to get each amount; that is, find the ISBN: 9780321716811 485

## Solution for problem 16 Chapter 6.7

College Algebra | 9th Edition

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Problem 16

In 1522, find the principal needed now to get each amount; that is, find the present value. To get \$75 after 3 years at 8% compounded quarterly

Step-by-Step Solution:
Step 1 of 3

Trigonometry Section 2.4 and 2.5 Cos(a-b) = cosacosb + sinasinb Cos(a+b) = cosacosb – sinasinb Sin(a-b) = sinacosb - cosasinb Sin(a+b) = sinacosb + cosasinb tana−tanb Tan(a-b) =1+tanatanb tana+tanb Tan(a+b) = 1−tanatanb Here is an example problem: 7π 7π 2π π Find the Exact value ofn12 (hint: 12= 3− 4 ) 2π π 2π π 2π π sin(3 − 4)=sin 3 cos4−cos 3 sin4 Plug in the values ¿ √3 √2 − −1 √2 ( 2 ( 2 ( 2 ( 2 Derive reference angles ¿ √6−− √ Multiply 4 4 √ √ 2 4 Combine (this is the finished form of the problem

Step 2 of 3

Step 3 of 3

##### ISBN: 9780321716811

This full solution covers the following key subjects: . This expansive textbook survival guide covers 68 chapters, and 5502 solutions. Since the solution to 16 from 6.7 chapter was answered, more than 229 students have viewed the full step-by-step answer. This textbook survival guide was created for the textbook: College Algebra, edition: 9. College Algebra was written by and is associated to the ISBN: 9780321716811. The full step-by-step solution to problem: 16 from chapter: 6.7 was answered by , our top Math solution expert on 03/19/18, 03:33PM. The answer to “In 1522, find the principal needed now to get each amount; that is, find the present value. To get \$75 after 3 years at 8% compounded quarterly” is broken down into a number of easy to follow steps, and 27 words.

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