Question

If a cosθ + b sinθ = m and a sinθ – b cosθ = n, then prove that a2 + b2 = m2 + n2​

Answer 1

Step-by-step explanation:

We have, a cos θ + b sin θ = m (i)

and a sin θ -b cos θ = n (ii)

Answer 2

Step-by-step explanation:

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