Question

If x=2 co's c theta :y=2 cot theta:then X2-Y2​

Answer 1

Answer:

Clearly ∣cosecθ∣=

2∣xy∣

x

2

+y

2

Now using AM-GM inequality, we get

x

2

+y

2

>2∣xy∣

So this gives cosecθ>1 which is true for all x,y

Step-by-step explanation:

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Answer 2

Answer:

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