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What is the simplified value of (1- sin A cos A)(sin A + cos A)?
$$sin^2A - cos^2A$$
$$sin^3A + cos^3A$$
$$cos^2A - sin^2A$$
Expression : $$(sinA+cosA)(1-sinAcosA)$$
Also, we know that : $$x^3+y^3=(x+y)(x^2+y^2-xy)$$
=> Ans - (B)
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