Question
Download Solution PDFयदि \(\rm \cos x=-\frac{1}{2}\) है, x तीसरे चतुर्थांश में स्थित है, तो tan x = ?
Answer (Detailed Solution Below)
Detailed Solution
Download Solution PDFदिया गया है:
cos x = - (1/2)
प्रयुक्त सूत्र:
Cos (180 + θ) = - cos θ
गणना:
cos x = - (1/2)
⇒ cos x = cos (180 + 60)
⇒ cos x = cos 240
⇒ x = 240°
Tan 240° = tan (180 + 60)
⇒ tan 60° = √3
∴ सही उत्तर √3 है।
Last updated on Jun 13, 2025
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