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
SSC CGL - 17 July 2023 - Shift 1 • Quantitative Aptitude • Q69
Find the value of Sin225 + Sin265.
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