Question

If tan theta = a/b, then cos theta=​

Answer 1

Answer:

tan=opp/adj

by pythogoras theorem

Ac^2 = Ab^ 2+ Bc^2

ac^2 =a^2 + b^2

ac^2=√a^2+b^2

cos=adj/hyp

cos= b/√a^2 + b^2

ans= B\√a^2 + b^2

Answer 2

Answer:

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