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exact value for tan(15), using difference formula for tangent

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Jul 31, 2016
8:44

exact value for tan(15), using difference formula for tangent, find the exact value of tan(15 degrees), Use trig identities to find the exact value, blackpenredpen tags: tan(15), tan(pi/12), difference formula for tangent, trig lessons, trig examples, exact value for tan(15), 黑比紅比

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