Question

if x=asec theta, y=btan theta prove that x²/a²-y²/b²=1​

Answer 1

Put value of x in x² / a² ( You will get )

Step-by-step explanation:

Sec²x & in similqrly put value of y you will get tan²x & use se²x-tan²x = 1

PLEASE NOTE THAT I HAVE TAKEN THETA as " x "

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