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The equation e^(sinx)-e^(-sinx)-4=0 has ...

The equation `e^(sinx)-e^(-sinx)-4=0` has (A) infinite number of real roots (B) no real roots (C) exactly one real root (D) exactly four real roots

A

infinite number of real roots

B

no real roots

C

exactly one real root

D

exactly four real roots

Text Solution

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The correct Answer is:
B
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VK JAISWAL-COMPOUND ANGLES-Exercise-5 : Subjective Type Problems
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  12. Let a=sin10^(@), b =sin50^(@), c=sin70^(@)," then " 8abc((a+b)/(c ))((...

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  19. The minimum value of (sintheta+c o s e ctheta)^2+(costheta+sectheta)^...

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