Mathematics, 14.07.2020 19:01 RickandMorty420710

What would be the solution to this Pythagorean/Trigonometric equation? (csc² A - 1) sen² A = cos² A

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Answer from: mashcroft2002

(csc^2 A -1) sin^2 A = cos^2 A

We know that $csc x= \frac{1}{sin x}$ and using this identity we have:

$\frac{sin^2 A}{sin^2 A} - sin^2 A = cos^2 A$

1 = cos^2 A + sin^2 A

And if we remember the equation above represent the fundamental identity in trigonometry and is satisfied for every real number and we can say that the solution for this case is:

$A= [X | x \in R]$

Step-by-step explanation:

For this case we have the following equation given:

(csc^2 A -1) sin^2 A = cos^2 A

We know that $csc x= \frac{1}{sin x}$ and using this identity we have:

$\frac{sin^2 A}{sin^2 A} - sin^2 A = cos^2 A$

1 = cos^2 A + sin^2 A

And if we remember the equation above represent the fundamental identity in trigonometry and is satisfied for every real number and we can say that the solution for this case is:

$A= [X | x \in R]$

Answer from: Quest

i dont know

step-by-step explanation:

Answer from: Quest

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What would be the solution to this Pythagorean/Trigonometric equation? (csc² A - 1) sen² A = cos² A...