Question

Hi Guys....
Please solve this question...
Find the magnitude of A, if
2sinA cosA - cos A - 2sin A +1=0
​

Answer 1

Answer:

2sinAcosA-cosA-2sinA+1=0

cosA(2sinA-1)-1(2sinA-1)=0

(cosA-1)(2sinA-1)=0

cosA-1=0 or 2sinA-1=0

cosA=1 or 2sinA=1

A=0 or sinA=1/2

A=0° or A=30°

Answer 2

Answer:

Step-by-step explanation:

brainliest brainliest brainliest brainliest brainliest brainliest brainliest brainliest brainliest