if sin^(2)A+3cos^(2) A=4 Find tan A
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1
Answer:
Step-by-step explanation:
7sin
2
A+3cos
2
A=4
3sin
2
A+3cos
2
A+4sin
2
A=4
3(sin
2
A+cos
2
A)+4sin
2
A=4
3+4sin
2
A=4
4sin
2
θ=1
sin
2
A=
4
1
⇒[sinA=
2
1
]
From this figure
[tanA=
3
1
].
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