If cos A + cos^2A = 1, then the value of the expression (cos^2A + cosA) is—

1. If cos A + cos^2A = 1, then the value of the expression (cos^2A + cosA) is—

[Officer-2019 [MCQ] : 2019]

1. 1

2. 1/2

3. 2

4. 3

Answer

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