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  • 15-01-2022
  • Mathematics
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7. What is the sin(90-x)?
A. 0.3
B. 0.6
C. 0.9
D. 0.4
E. 0.2
F. 0.5

after trying it my self I got .2 but I'm not sure

7 What is the sin90x A 03 B 06 C 09 D 04 E 02 F 05 after trying it my self I got 2 but Im not sure class=

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Аноним Аноним
  • 15-01-2022

[tex]\\ \sf\longmapsto sinx=\dfrac{Perpendicular}{Hypotenuse}[/tex]

[tex]\\ \sf\longmapsto sinx=\dfrac{4}{5}[/tex]

[tex]\\ \sf\longmapsto sin(90-x)[/tex]

[tex]\\ \sf\longmapsto cosx[/tex]

[tex]\\ \sf\longmapsto cos(4/5)[/tex]

[tex]\\ \sf\longmapsto cos(0.8)[/tex]

[tex]\\ \sf\longmapsto 0.99[/tex]

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