1.

If tanθ=12 and tanϕ=13, then the value of θ+ϕ is(a) π6 (b) π (c) 0 (d) π4

Answer» If tanθ=12 and tanϕ=13, then the value of θ+ϕ is



(a) π6 (b) π (c) 0 (d) π4


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