1.

The number of values of θ in the interval (- π2, π2) satisfying the eqautions (1 - tanθ)(1 + tanθ)sec2θ + 2tan2θ = 0

Answer»

The number of values of θ in the interval (- π2, π2) satisfying the eqautions

(1 - tanθ)(1 + tanθ)sec2θ + 2tan2θ = 0




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