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Trigonometry> tan(A) is the integral solution of inequa...

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tan(A) is the integral solution of inequality 4x^2-16x+15

Avinash k , 11 Years ago

Grade 12

1 Answers

Jitender Singh

Ans:
Hello Student,
Please find answer to your question below

$4x^2 - 16x + 15 = 0$
$4x^2 - 10x - 6x + 15 = 0$
$2x(2x - 5) - 3(2x - 5) = 0$
$(2x - 3)(2x - 5) = 0$
$x = \frac{3}{2}, \frac{5}{2}$
$tanA = \frac{3}{2}, \frac{5}{2}$
$A = tan^{-1}\frac{3}{2}, tan^{-1}\frac{5}{2}$

Approved

Last Activity: 11 Years ago

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