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a) Rewrite the angle as a sum or difference of special angles of your choice from the Unit Circle. There are many correct ways
a) Rewrite the angle as a sum or difference of special angles of your choice from the Unit Circle. There are many correct ways to do this, but do not yet find the value. b) Now use the sum/difference Identities to find the exact value. Do not use decimal approximations: sin(15)=
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Advanced Engineering Mathematics
Authors: Erwin Kreyszig
8th Edition
471154962, 978-0471154969
