sin θ + cosec θ = \(\sqrt{5}\)  అయితే, అప్పుడు sin 3 θ + cosec 3 θ = ___________ విలువ.

This question was previously asked in
SSC CGL 2023 Tier-I Official Paper (Held On: 24 Jul 2023 Shift 3)
View all SSC CGL Papers >
  1. 0
  2. \(3\sqrt{5}\)
  3. \(\frac{1}{\sqrt{5}}\)
  4. \(2\sqrt{5}\)

Answer (Detailed Solution Below)

Option 4 : \(2\sqrt{5}\)
super-subscription-prototype
Free
PYST 1: SSC CGL - English (Held On : 11 April 2022 Shift 1)
3.1 Lakh Users
25 Questions 50 Marks 12 Mins

Detailed Solution

Download Solution PDF

ఇచ్చిన:

sin θ + cosec θ = √5

ఉపయోగించిన భావన:

x 3 + 1/x 3 = (x + 1/x) 3 - 3(x + 1/x)

గణన:

sin θ + cosec θ = √5

⇒ sin θ + 1/sin θ = √5

ఇప్పుడు,

sin3 θ + 1/sin3 θ = (√5)3 - 3(√5)

⇒ 5 √5 - 3 √5 = 2 √5

∴ అవసరమైన సమాధానం 2 √5.

Latest SSC CGL Updates

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. 

Get Free Access Now
Hot Links: teen patti game teen patti yas teen patti gold download apk teen patti master gold teen patti master old version