Teaching Jharkhand (JSSC) PRT (1 to 5) Mock Test 2023 Quantitative Aptitude Trigonometry Trigonometric Ratios and Identities

যদি একটি সমকোণ ΔPQR এ, tan Q = 5/12 হয়। তাহলে cos Q এর মান কত?

1

12/5

2

13/5

3

12/13

4

5/13

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