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Proofs and Calculations
Questions (1)
1 .If tanA=1/3 and tanB=1/7 (both A and B are acute),calculate 50sin(2A +B)
2.1Prove that sin2A+2cosA-2cos^3A/1+sinA =sin2A 2.2
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asked by
OwamIII
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Parent Categories (1)
Equations and identities
