Question
Download Solution PDFयदि tan3θ⋅tan7θ = 1 है, जहाँ 7θ एक न्यूनकोण है, तो cot15θ का मान ज्ञात कीजिए।
Answer (Detailed Solution Below)
Detailed Solution
Download Solution PDFदिया गया है:
tan3θ⋅tan7θ = 1
प्रयुक्त अवधारणा:
गणना:
tan3θ⋅tan7θ = 1
⇒ tan3θ = 1/tan7θ
⇒ tan3θ = cot7θ
⇒ tan3θ = tan(90° - 7θ)
⇒ 3θ = 90° - 7θ
⇒ 10θ = 90°
⇒ θ = 9°
इसलिए, cot15θ = cot135° = - tan45°
⇒ - 1
∴ अभीष्ट उत्तर -1 है।
Last updated on Jun 13, 2025
-> The SSC CGL Notification 2025 has been released on 9th June 2025 on the official website at ssc.gov.in.
-> The SSC CGL exam registration process is now open and will continue till 4th July 2025, so candidates must fill out the SSC CGL Application Form 2025 before the deadline.
-> This year, the Staff Selection Commission (SSC) has announced approximately 14,582 vacancies for various Group B and C posts across government departments.
-> The SSC CGL Tier 1 exam is scheduled to take place from 13th to 30th August 2025.
-> Aspirants should visit ssc.gov.in 2025 regularly for updates and ensure timely submission of the CGL exam form.
-> Candidates can refer to the CGL syllabus for a better understanding of the exam structure and pattern.
-> The CGL Eligibility is a bachelor’s degree in any discipline.
-> Candidates selected through the SSC CGL exam will receive an attractive salary. Learn more about the SSC CGL Salary Structure.
-> Attempt SSC CGL Free English Mock Test and SSC CGL Current Affairs Mock Test.
-> Candidates should also use the SSC CGL previous year papers for a good revision.