If x sin3 α + y cos3 α = sinα cosα and x sinα - y cosα = 0, the value of x2 + y2 is (a) 0 (b) 1 (c) 1 /2 (d) 1 /3

If x sin3 α + y cos3 α = sinα cosα and x sinα - y cosα = 0, t

1.	If x sin3 α + y cos3 α = sinα cosα and x sinα - y cosα = 0, the value of x2 + y2 is (a) 0 (b) 1 (c) 1 /2 (d) 1 /3
Answer» Correct option is (b) 1

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If x sin3 α + y cos3 α = sinα cosα and x sinα - y cosα = 0, the value of x2 + y2 is (a) 0 (b) 1 (c) 1 /2 (d) 1 /3

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