anonymous
  • anonymous
Verify the identity. sin quantity x plus pi divided by two = cos x
Mathematics
  • Stacey Warren - Expert brainly.com
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SOLVED
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schrodinger
  • schrodinger
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IrishBoy123
  • IrishBoy123
\(\sin(x +\frac{\pi}{2}) = \cos x\)
anonymous
  • anonymous
alright would it be easier if I try to verify the left side.
IrishBoy123
  • IrishBoy123
yes you can expand out \(\sin(A+B) = \sin A \cos B + \sin B \cos A\)

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IrishBoy123
  • IrishBoy123
what are you actually studying? you could draw and look for a geometric proof
IrishBoy123
  • IrishBoy123
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