(x^2/(60/cos 40)^2) + (y^2/60^2) = 1
Assuming trigonometric arguments in degrees | Use instead

Input

x^2/(60/cos(40°))^2 + y^2/60^2 = 1

Result

(x^2 cos(40°)^2)/3600 + y^2/3600 = 1

Implicit plot

Implicit plot

Alternate form

x^2 cos(40°)^2 + y^2 = 3600
(x^2 cos(40°)^2 + y^2)/3600 = 1
(x^2 cos(40°)^2)/3600 + y^2/3600 - 1 = 0

Solutions

y = -sqrt(3600 - x^2 cos(40°)^2)
y = sqrt(3600 - x^2 cos(40°)^2)

Integer solution

x = 0, y = ± 60
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