defence exam Army Havildar SAC Mock Test Series 2025 Quantitative Aptitude Trigonometry Trigonometric Ratios and Identities
यदि cosec x + cot x = 7 है, तो (7cosec x – 5)/10 का मान ज्ञात कीजिये?
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3/2
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2/5
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3
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2
यदि cosec x + cot x = 7 है, तो (7cosec x – 5)/10 का मान ज्ञात कीजिये?