Find the value 1 / sin 10 degree - square root 3 / cos 10 degree

Answers (1)

Solution:    We have ,

                   frac1sin 10 ^circ-fracsqrt3cos 10^circ

        frac1sin 10 ^circ-fracsqrt3cos 10^circ=fraccos 10 ^circ-sqrt3 sin 10^circsin 10 ^circcos 10^circ

 Rightarrow                                     =frac2[sin (30^circ-10^circ)]sin10^circcos 10^circ=frac4sin 20^circsin 20^circ=4. 

 

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