(d) prove that pl3ase
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=(sin(a-b)^2)+(cos(a-b)^2)
=sin^2(a-b)+cos^2(a-b)
=1
BishalChaurasiya:
it's wrong
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Answer:
Step-by-step explanation:
using
sin(α-β) = sinα.cosβ - cosα.sinβ
cos(α-β) = cosα.cosβ - sinα.sinβ
sin²(α-β) + cos²(α-β) = 1
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