cam3376
cam3376
02-12-2018
Mathematics
contestada
How do I solve this proof?
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hjohn06
hjohn06
02-12-2018
Tany = siny/cosy. Tan2y= sin2y/cos2y Coty = cosy/siny. Sec2y = 1/cos2y. What you are trying to do is solve one side to equal the other. So you would chance tan and sec to sines and cosines
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