railway RRB NTPC Mock Test Series 2024-25 (CBT 1 + CBT 2) Quantitative Aptitude Trigonometry Trigonometric Ratios and Identities

यदि 10 sin4α + 15 cos4α = 6 है, तो 27 cosec6α + 8 sec6α का मान ज्ञात कीजिए।

1
75
2
125
3
250
4
50
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