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Hannah

Questions (3)

Please help using identities(2tan30)/(1-tan^2 30)
1. 3 answers
2. 389 views
Please help me to simplify using identities1+tan^2x/tan^2x I don't really understand how to do please help
1. 2 answers
2. 373 views
2sin^2(2/A)+cosA=1Please help me verify using identities
1. 1 answer
2. 368 views