Question

Which of the following is positive.
Sin(-310) or sin 310. Give reason.

Answer 1

Answer:

Hence Sin(-310)° is +ve

Step-by-step explanation:

Which of the following is positive sin (-310) OR SIN (310)

Assuming given data is in Deg

Sin(-310)° = - Sin(310)°

Lets find out Sin310°

Sin310° = Sin(360° - 50°)

= - Sin50°

= - ve

Sin(-310)° = - Sin(310)° = Sin50° = +ve

Hence Sin(-310)° is +ve

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Answer 2

hey friend,..

your answer is

its sin310

because

$\sin( - \alpha )$

is

$- \sin( \alpha )$

hope that helps,..

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