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TRIGONOMETRIC IDENTITIES AND EQUATIONS Sum and difference identities Problem type 2 Radians Use a sum or difference formula to find the exact value of the
TRIGONOMETRIC IDENTITIES AND EQUATIONS Sum and difference identities Problem type 2 Radians Use a sum or difference formula to find the exact value of the following 7 15 tan tan TC 5 7 TU 5 1 tan tan 15 8 9
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