Jse a sum or difference formula to find the exact value of the following. 25T Зл 25T sin 42 sin cos cos - 42 7 7

Holt Mcdougal Larson Pre-algebra: Student Edition 2012
1st Edition
ISBN:9780547587776
Author:HOLT MCDOUGAL
Publisher:HOLT MCDOUGAL
ChapterCSR: Contents Of Student Resources
Section: Chapter Questions
Problem 2.3P
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*Answer Cannot be a decimal 

Use a sum or difference formula to find the exact value of the following.
25л
Зл
sin
7
25л
sin
coS
cos
42
7
42
Transcribed Image Text:Use a sum or difference formula to find the exact value of the following. 25л Зл sin 7 25л sin coS cos 42 7 42
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