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Trigonometrical Equations
easy
સમીકરણ $\sqrt 3 \sin x + \cos x = 4$ ના બીજની સંખ્યા . . . . છે.
A
$1$
B
$2$
C
અનંત
D
એકપણ ઉકેલ શક્ય નથી
Solution
(d) Given equation is $\sqrt 3 \sin x + \cos x = 4$
which is of the form $a\sin x + b\cos x = c$ with $a = \sqrt 3 ,\,b = 1,\,c = 4$.
Here ${a^2} + {b^2} = 3 + 1 = 4 < {c^2},$
therefore the given equation has no solution.
Standard 11
Mathematics