SSC CGL 2023 PYQ — Question 69

SSC CGL - 17 July 2023 - Shift 1 • Quantitative Aptitude • Q69

Find the value of Sin225 + Sin265.

Show answer & explanation

Correct answer: D

Explanation

The correct answer is option 4 i.e. 1.

Sin2θ+ Cos2θ = 1

Sin2(90 - θ) = Cos2θ

Sin225 + Sin265

= Sin225 + Sin2(90 - 25)

= Sin225 + Cos225

= 1