amberpie amberpie
  • 12-04-2018
  • Chemistry
contestada

what is the value of x?
sin 49° = cos x

Respuesta :

andriansp andriansp
  • 21-04-2018
Answer: x=41

Sin, cos and tan are part of the trigonometric function. Sin is calculated from opposite/hypotenuse, while cos is calculated from adjacent/hypotenuse.
There is some formula that can be derived from the equation. One of them is sin (90-x)= cos x
If you use it, the calculation would be:
sin 49° = cos x
sin 49= sin (90-x)
49= 90-x
x= 90-49= 41
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