Trig Proofs (Identities)

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answerhappygod
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Trig Proofs (Identities)

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Trig Proofs (Identities)
Trig Proofs Identities 1
Trig Proofs Identities 1 (173.52 KiB) Viewed 25 times
1.) cot²x + sec²x = tan²x + csc²x 2.) tan 20 = 2 tan Ø 1-tan ²0
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