Cos^2(36°)-sin^2(36°)
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(A) Sum of the roots
=sin218∘+cos236∘
=[45−1]2+[45+1]2
=161[(5+1)2+(5−1)2]
=(161)[2(5+1)]=43
Product of the roots
=sin218∘.cos236∘
=[45−1]2.[45+1]2
=[
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Answered by
24
=sin218∘+cos236∘
=[45−1]2+[45+1]2
=161[(5+1)2+(5−1)2]
=(161)[2(5+1)]=43
Product of the roots
=sin218∘.cos236∘
=[45−1]2.[45+1]2
=[
0Answer:
Step-by-step explanation:
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