Sin (−A) = ?
Show answer & explanation
Correct answer: C
Explanation
The correct answer is option 3 i.e. -SinA
Using basic formulas of Trigonometry
Sin (90 - z) = Cos z
Sin ( 180 - z) = sin z
Sin ( -z) = -sin z
Therefore Sin( -A) = - Sin A
SSC CHSL 2022 PYQ — Question 68
SSC CHSL - 24 May 2022 - Shift 2 • Quantitative Aptitude • Q68