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OpenStudy (anonymous):
Evaluate cos(cos^-1 3/5 + sin^-1 5/13)
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OpenStudy (anonymous):
=(12/13)(3/5)-(5/13)(4/5) =36/65-20/65 =16/65 can someone verify, thx
OpenStudy (ranga):
Yes, I am getting 16/65 too.
OpenStudy (anonymous):
awesome, thx
OpenStudy (ranga):
you are welcome.
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