melanie2024 melanie2024

28-02-2022
Mathematics

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True or False

sin( x - pi/2 ) = cos x

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hasmenmarantal7 hasmenmarantal7

28-02-2022

Answer:

hola le noeva si (true) neisa adios

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28-02-2022

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.

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