Question
Download Solution PDFΔXYZ में, Y पर समकोण है, यदि sin X =
Answer (Detailed Solution Below)
Detailed Solution
Download Solution PDFप्रयुक्त सूत्र:
cos X cos Z + sin X sin Z = (cos Z - X)
गणना:
sin X =
X = 30°, y = 90°
z = 60°
(cos Z - X) = cos 60° - 30°
cos 30° =
∴ सही विकल्प 1 है।
Last updated on Jul 21, 2025
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