Open Question: Angle Verification using double angle identities.?
Sorry, I could not read the content fromt this page.
9:31 |
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Open Question: use identities and definitions o show that cos 0 = sin 0 cot 0?
The definition of cot(theta) is cos(theta)/sin(theta).
What happens when you multiply that by sin(theta)?
12:28 |
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