.If sinθ x cosθ = ½ . The value of sinθ ­ cosθ is where 0°< θ< 90°

.If sinθ x cosθ = ½ . The value of sinθ ­ cosθ is where 0°< θ< 90°
1). 0
2). $\sqrt{2}$
3). 2
4). 1

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