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Hope this helps you
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Hope this helps you
Please do mark as brainliest
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Answered by
1
x = 7 cos¢
y = 9 sin¢
On putting these values in the given equation,
(7cos¢)^2 / 49 + (9sin¢)^2 / 81
= 49cos^2¢ / 49 + 81sin^2¢ / 81
= cos^2¢ + sin^2¢
= 1...........●
●●●●●●●●●●●●●●●●●
Hope it was helpful.
y = 9 sin¢
On putting these values in the given equation,
(7cos¢)^2 / 49 + (9sin¢)^2 / 81
= 49cos^2¢ / 49 + 81sin^2¢ / 81
= cos^2¢ + sin^2¢
= 1...........●
●●●●●●●●●●●●●●●●●
Hope it was helpful.
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