Question
Download Solution PDFIf sec4θ – sec2θ = 3 then the value of tan4θ + tan2θ is:
Answer (Detailed Solution Below)
Detailed Solution
Download Solution PDFAs,
⇒ sec2θ = 1 + tan2θ
We have,
⇒ (sec2θ)2 – sec2θ = 3
⇒ (1 + tan2θ)2 – (1 + tan2θ) = 3
⇒ (1 + tan4θ + 2tan2θ) – (1 + tan2θ) = 3
⇒ 1 + tan4θ + 2tan2θ – 1 – tan2θ = 3
Last updated on Jul 18, 2025
-> A total of 1,08,22,423 applications have been received for the RRB Group D Exam 2025.
-> The RRB Group D Exam Date will be announced on the official website. It is expected that the Group D Exam will be conducted in August-September 2025.
-> The RRB Group D Admit Card 2025 will be released 4 days before the exam date.
-> The RRB Group D Recruitment 2025 Notification was released for 32438 vacancies of various level 1 posts like Assistant Pointsman, Track Maintainer (Grade-IV), Assistant, S&T, etc.
-> The minimum educational qualification for RRB Group D Recruitment (Level-1 posts) has been updated to have at least a 10th pass, ITI, or an equivalent qualification, or a NAC granted by the NCVT.
-> Check the latest RRB Group D Syllabus 2025, along with Exam Pattern.
-> The selection of the candidates is based on the CBT, Physical Test, and Document Verification.
-> Prepare for the exam with RRB Group D Previous Year Papers.