Question

The value of SinA/√1-cos²A​

Answer 1

Its value is 1

Because 1 - cos^2 A = sin^2 A

Answer 2

Answer:

1.

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Step-by-step explanation:

we know

${ \sin(a) }^{2} + { \cos(a) }^{2} = 1$

so, rearranging

$1 - { \cos(a) }^{2} = { \sin(a) }^{2}$

$\frac{ \sin(a) }{\sqrt{1 - { \cos(a) }^{2} } } = \frac{ \sin(a) }{ \sqrt{ { \sin(a) }^{2} } } = \frac{ \sin(a) }{ \sin(a) } = 1$