Question

If / - / tanθ = 1 and / tanθ + / =1, then the value of 2/2 + 2/2 is
the answer is 2cos squareθ , but how

Answer 1

Answer:

1/2

Step-by-step explanation:

if tanФ = 1

THEN, Ф = 45°

SO, cos²45° = (1/√2)²

                    =  1/2

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