defence exam Indian Navy Fireman/Fire Engine Driver Mock Test 2024 Quantitative Aptitude Trigonometry Trigonometric Ratios and Identities

यदि Cos4A – Sin4A = 2/5 है तब √7CosA + √3SinA का मूल्यांकन करें।

1
√8
2
√11
3
√10
4
√2
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