Question
Download Solution PDFयदि \(\sin \theta = \frac{8}{{17}}\) है, जहाँ \(\theta \) एक न्यूनकोण है, तो \(\tan \theta + \cot \theta \) का मान क्या है?
Answer (Detailed Solution Below)
Detailed Solution
Download Solution PDFदिया गया है:
\(\sin θ = \frac{8}{{17}}\) है, जहाँ θ एक न्यून कोण है।
प्रयुक्त सूत्र:
sin2θ + cos2θ = 1
tan θ = \(\frac{\sinθ}{\cosθ}\), और
cot θ = \(\frac{\cosθ}{\sinθ}\)
गणना:
\(\tanθ\) और \(\cotθ\) को ज्ञात करने के लिए, हमें \(\cosθ\) की आवश्यकता है:
sin2θ + cos2θ = 1
cos θ = \(\sqrt{1-{(\sinθ)}^2} \)
⇒ \(\sqrt{1-{(\frac{8}{17})}^2}\)
⇒ \(\sqrt{1-{(\frac{64}{289})}}\)
⇒ \(\sqrt{\frac{225}{289}}\)
⇒ \(\frac{15}{17}\)
अब, \(\tan θ + \cot θ\) की गणना करने पर:
⇒\(\frac{\sinθ}{\cosθ}+\frac{\cosθ}{\sinθ}\)
⇒\(\frac{(\sinθ)^2+(\cosθ)^2}{\sinθ\cosθ}\)
⇒\(\frac{1}{\sinθ\cosθ}\)
⇒\(\frac{1}{\frac{8}{17}\times\frac{15}{17}}\)
⇒\(\frac{17\times17}{8\times15}\)
⇒\(\frac{289}{120}\)
∴ tan θ + cot θ का मान \(\bf \frac{289}{120}\) है।
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