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OJASWI KOTHARI

· started a discussion

· 1 Months ago

? (Question: 326270.0 )

GIVE THE SOLUTION?

Question:

If x sin3  α    + y cos3  α    = sin  α    cos  α   ,  α ≠0    and xsin  α    – y cos  α    = 0, then the value of   x2 + y2 is – 

Options:
A)

4

B)

9

C)

1

D)

2

Solution:

Ans: (c)


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