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LenKa [72]
3 years ago
10

if sec theta equals negative 5/3, such that 180° <thata<270° then determine what is tan theta ?

Mathematics
1 answer:
Svetllana [295]3 years ago
4 0
I hope this makes sense, if not please feel free to let me know and I'll explain it. 

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MissTica

Answer:

a solution is 1/2 *tan⁻¹ (2*y) = - tan⁻¹ (x²) + π/4

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(1 + x⁴) dy + x*(1 + 4y²) dx = 0

(1 + x⁴) dy  = - x*(1 + 4y²) dx

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∫[1/(1 + 4y²)] dy = ∫[-x/(1 + x⁴)] dx

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I₁= ∫[1/(1 + 4y²)] dy = 1/2 *tan⁻¹ (2*y) + C₁

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therefore

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