engineering recuitment ICAR Technician 2021 Mock Test (Re-Exam) Quantitative Aptitude Trigonometry Trigonometric Ratios and Identities

যদি \(\frac{{\cos θ + \sin θ }}{{\cos θ - \sin θ }} = 8\) হয়, তাহলে cot θ এর মান কত?

1

7/6

2

9/7

3

6/5

4

8/5

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