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Expand True or False sin( x - pi/2 ) = cos x
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Jul 23, 2023
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True or False
sin( x - pi/2 ) = cos x
Mathematics
high-school
Sbennett
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It’s true because From (1) and (2) we can see that sin (π/2-x) and cos x are both AB/AC. Hence sin(π/2 - x) = cos x.
Slow
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Jul 25, 2023
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hola le noeva si (true) neisa adios
Australia
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Jul 27, 2023
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