Question

If sin θ and cos θ are the root of standard Quadratic Equation , then which of the following is true ? 1. a2 + b2 - 2ac = 0 2. b2 - a2 + 2ac = 0 3.  a 2 + b 2 + 2ac = 0 4.  a 2 - b 2 + 2ac = 0

A 1
B 3
C 2
D 4
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