Question

if sin^(2)A+3cos^(2) A=4 Find tan A​

Answer 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

​

].