ARPANBARUA ARPANBARUA

02-12-2020
Mathematics

contestada

SinA+cosB=1, A=30 degree. Find B

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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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