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Sagot :
Answer:
[tex]B) sin(\alpha )[/tex]
Step-by-step explanation:
[tex]sin(90-0)=Cos(0)[/tex]
[tex]Cos(90-0)=sin(0)[/tex]
[tex]So...[/tex]
[tex]Cos(90-\alpha )= sin(\alpha )[/tex]
[tex]------------[/tex]
hope it helps...
have a great day!!
Answer:
cos(90°-a)
since it lies in first quadrant
sina
your option is B.sin(a)
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