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One item is filed under this topic.
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Trig identities |
2009-01-05 |
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From Michael:
1) Determine if the following is an identity. If it is, prove it, If it isn't state it.
tan x + cot x = sec x * csc x
and
1 - (cos^2) x = 1+ (cot^2) x
Answered by Robert Dawson and Harley Weston. |
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