The value of cot (-315°) is :
Show answer & explanation
Correct answer: B
Explanation
The correct answer is option 2 i.e. 1.
cot(−315°) = − cot315° = − cot(360° − 45°)
As, we know that cot(2π − θ) = −cotθ
⇒ −cot(360° − 45°) = −(−cot45°) = cot45° = 1
SSC Selection Post 2022 PYQ — Question 52
SSC Selection Post - Higher Secondary Level - 4 Aug 2022 - Shift 3 • Quantitative Aptitude • Q52