The solution for proving the identity is as follows:
sin(2A) = sin(A + A)
As sin(a + b) = sinacosb + sinbcosa,
<span>sin(A + A) = sinAcosA + sinAcosA
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<span>Therefore, sin(2A) = 2sinAcosA
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The answer is the first one. <span>(x−2)2+(y+5)2=144. Hope this helps.</span>
Answer:
its equal
Step-by-step explanation:
