ARPANBARUA
ARPANBARUA
02-12-2020
Mathematics
contestada
SinA+cosB=1, A=30 degree. Find B​
Respuesta :
yasmitadp
yasmitadp
02-12-2020
Answer:
Step-by-step explanation:
The value of sin 30 = 1/2
Thus cos B = 1-1/2 = 1/2
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