Question Simplify the expression sin2(a) Evaluate 1−1cos(a)cos(a)Divide the terms 1−cos(a)cos(a)Simplify the root 1−cos(a)cos(a)Multiply the terms 1−cos2(a)Use cos2t=1−sin2t to transform the expression 1−(1−sin2(a))Calculate 1−1+sin2(a)Solution sin2(a) Show Solution Factor the expression (1−cos(a))(1+cos(a)) Evaluate 1−1cos(a)cos(a)Divide the terms 1−cos(a)cos(a)Simplify the root 1−cos(a)cos(a)Multiply the terms 1−cos2(a)Solution (1−cos(a))(1+cos(a)) Show Solution
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