Q.2475 : यदि sec 5A = cosec (A - 30°) हो तथा 5A एक न्यून कोण हो तो A = ?

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Q.2475 : यदि sec 5A = cosec (A - 30°) हो तथा 5A एक न्यून कोण हो तो A = ?
(a) 60°
(b) 12°
(c) 20°
(d) 30°

View Answer
Answer :20°