Question
Download Solution PDFयदि \(\sin A = \frac{1}{{\sqrt 2 }}\) और \({\mathop{\rm Cos}\nolimits} B = \frac{{\sqrt 3 }}{2}\) है, तो (A + B)º का मान क्या है?
A. 60º
B. 75º
C. 105º
D. 90º
Answer (Detailed Solution Below)
Detailed Solution
Download Solution PDFदिया गया है:
Sin A = 1/√2
Cos B = √3/2
प्रयुक्त अवधारणा:
गणना:
प्रयुक्त अवधारणा के अनुसार,
यदि Sin A = 1/√2
⇒ A = 45°
पुनः, Cos B = √3/2
⇒ B = 30°
(A + B)° का योग = 45° + 30° = 75°
∴ (A + B)° का मान 75° है।
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