For Exercises 7–10, find the least common denominator. Then rewrite each expression with the new denominator. 1 1 7. а. a 1 9. а. 1 10. а. a a 8. a. a a' b b' 1 + a'b a'1- a 1 b. cos.x' sinx sinx b. sinx 1 b. cos.x' 1 - cosx 1 cos.x sinx b. 1 + sinx' cos.x cos.x

Calculus: Early Transcendentals
8th Edition
ISBN:9781285741550
Author:James Stewart
Publisher:James Stewart
Chapter1: Functions And Models
Section: Chapter Questions
Problem 1RCC: (a) What is a function? What are its domain and range? (b) What is the graph of a function? (c) How...
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For Exercises 7–10, find the least common denominator. Then rewrite each expression with the new denominator.
1 1
7. а.
a
1
9. а.
1
10. а.
a
a
8. a.
a
a' b
b'
1 + a'b
a'1- a
1
b.
cos.x' sinx
sinx
b.
sinx
1
b.
cos.x' 1 - cosx
1
cos.x
sinx
b.
1 + sinx' cos.x
cos.x
Transcribed Image Text:For Exercises 7–10, find the least common denominator. Then rewrite each expression with the new denominator. 1 1 7. а. a 1 9. а. 1 10. а. a a 8. a. a a' b b' 1 + a'b a'1- a 1 b. cos.x' sinx sinx b. sinx 1 b. cos.x' 1 - cosx 1 cos.x sinx b. 1 + sinx' cos.x cos.x
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