If cosA+sinA =3sinA-cosA ,prove that tanA =1 or 1/2
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Step-by-step explanation:
2 cosa=2 sina(transpose)
2sina/2 cos a=1
tan a =1...
Answered by
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cosA+cosA =3sinA-sinA
2cosA=2sinA
2/2=sinA/cosA
1=tanA
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