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Mathematics
Shaun Bernard
15 February, 01:12
Find cos (π/3 + a), where sin (a) = (1/√3), and 0
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Brendan Green
15 February, 01:27
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answer is (1/2) when a=0
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Jaycee Lee
15 February, 04:01
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a = approx 35.2644
cos (pi/3+a) = approx 0.999998973
Step-by-step explanation:
solve for sin (a)
sin a = (1/sqroot of 3)
arcsin sin (a) = arcsin (1/sqroot of 3)
a = arcsin (1/sqroot 3)
a=approx 35.2644
now substitute a into the cos formula
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