Question: x = sin ? cos ? and y = sin ? + cos ? are satisfied by which one of the following equations?(a) y -

x = sin ? cos ? and y = sin ?
+ cos ? are satisfied by which one of the following equations?(a)

x = sin ? cos ? and y = sin ? + cos ? are satisfied by which one of the following equations?(a) y² - 2x = 1(b) y² + 2x = 1(c) y² - 2x = -1(d) y² + 2x = -1

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