waltssillyhat
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can someone please explain why the worked solution (on the right) sets the function equal to sin2x?
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Inverse trig question (1 Viewer)
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can someone please explain why the worked solution (on the right) sets the function equal to sin2x?
coolcat6778
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because we let arccos(2/3) = x
like from weiweiman... the answer must be right then 
ur reputation precedes u or smthn
ur reputation precedes u or smthn
WeiWeiMan
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what the glazelike from weiweiman... the answer must be right then
ur reputation precedes u or smthn