3.Trigonometrical Ratios, Functions and Identities
easy

$\sin 10^\circ  + \sin 20^\circ  + \sin 30^\circ  + ... + $ $\sin 360^\circ $ का मान है

A

$1$

B

$0$

C

$-1$

D

इनमें से कोई नहीं

Solution

चूँकि $\sin 190^\circ  =  – \sin 10^\circ ,\;\sin 200^\circ  =  – \sin 20^\circ ,$

$\sin 210^\circ  =  – \sin 30^\circ ,\;\sin 360^\circ  = \sin 180^\circ  = 0$ इत्यादि।

Standard 11
Mathematics

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