Note that
108° = 90° + 18°
so
sin(108°) = sin(90° + 18°) = sin(90°) cos(18°) + cos(90°) sin(18°) = cos(18°)
Then
sin²(108°) + sin²(18°) = cos²(18°) + sin²(18°) = 1
by the Pythagorean identity.
Positive I think that would be it
Answer:
x=9/20 or x=0.45
Step-by-step explanation:
450*(1+0.18)=531 hence 450 increased by 18% is 531
I hope this helps you
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