engineering recuitment DRDO Technician A 2022 Mock Test Series (Tier I) Quantitative Aptitude Trigonometry Trigonometric Ratios and Identities

यदि sin(3A) = cos(70° - A) है, तब A का मान ज्ञात कीजिए।

1

8°

2

5°

3

7°

4

10°

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