Math, asked by AvniSahu, 1 year ago

find the magnitude of angle A if
2 Sin A cos A - Cos A - 2 Sin A + 1 = 0

Answers

Answered by brunila
60
2sinAcosA-cosA-2sinA+1=0
2sinA(cosA-1)-cosA+1=0
2sinA(cosA-1)=cosA-1
2sinA=cosA-1/cosA-1
2sinA=1
sinA=1/2
sinA=sin30
A=30
therefore magnitude of angle A is 30
Answered by harigarg327
4

Answer:

30°

please mark me as brainliest

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