Question
Download Solution PDFयदि Sin \(A=\frac{3}{5}\) है, तो Cos A का मान ज्ञात कीजिए।
Answer (Detailed Solution Below)
Detailed Solution
Download Solution PDFगणना:
हम जानते हैं कि sin A = P/H
⇒ sin A = P/H = 3/5
B = \(√{H^2 - P^2}\) = \(√{5^2 - 3^2}\) = √16 = 4
इसलिए, cos A = B/H = 4/5
∴ सही उत्तर विकल्प 3 है।
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