Please give full solution in notebook.
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Step-by-step explanation:
√3tanA=3sinA
√3(sinA/cosA)=3sinA
sinA/cosA=(3/√3)sinA
(sinA/cosA)/sinA=(3/√3)
(1/cosA)=3/√3
cosA=√3/3
cos^2A=3/9=1/3
sin^2A=1-cos^2A
sin^2A=1-(1/3)
sin^2A=2/3
sin^2A-cos^2A=(2/3)-1/3=(2-1)/3
sin^2A-cos^2A=1/3
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