Math, asked by srinuvandani2, 4 months ago

sintheta+ sin(π+theta)+ sin(2π+ theta) =​

Answers

Answered by prabhjotbhulllar
0

sintheta+ sin(π+theta)+ sin(2π+ theta)

=sin theta - sin theta +sin theta

= sin theta

REASON : (1) sin(π+theta) lies in 3rd quadrant, so the value of sin(π+theta) is -sintheta

(2) And sin(2π+ theta) lies in 1st quadrant so the value of sin(2π+ theta) is positive

that is +sintheta

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