Mathematics, 28.07.2019 12:30 PersonPerson13260

Hi can someone me? if sin2a=cos 3a find the value of a. can you explain in full detail how you arrived at your answer? also find the exact value of (sec30)^2. will i need to use a calculator in order to solve this prob?

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Hi can someone me? if sin2a=cos 3a find the value of a. can you explain in full detail how you a...

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