यदि , , तो √2 sin x किसके बराबर है?

This question was previously asked in
CDS Elementary Mathematics 3 Sep 2023 Official Paper
View all CDS Papers >
  1. sin θ + cos θ
  2. sin θ - cos θ

Answer (Detailed Solution Below)

Option 1 : sin θ + cos θ
Free
UPSC CDS 01/2025 General Knowledge Full Mock Test
120 Qs. 100 Marks 120 Mins

Detailed Solution

Download Solution PDF

दिया गया है:

tan x = 

प्रयुक्त सूत्र:

1. tan θ = 

2. sin θ =  

3. sin2θ + cos2θ = 1

गणना:

पाइथागोरस प्रमेय द्वारा,

⇒ H = 

⇒ H = 

⇒ H =  = 

आकृति के अनुसार,

 sin x =  ×  = sinθ + cosθ 

∴  sin x का मान sinθ + cosθ है। 

Latest CDS Updates

Last updated on Jul 7, 2025

-> The UPSC CDS Exam Date 2025 has been released which will be conducted on 14th September 2025.

-> Candidates can now edit and submit theirt application form again from 7th to 9th July 2025.

-> The selection process includes Written Examination, SSB Interview, Document Verification, and Medical Examination.  

-> Attempt UPSC CDS Free Mock Test to boost your score.

-> Refer to the CDS Previous Year Papers to enhance your preparation. 

More Trigonometry Questions

Hot Links: teen patti earning app teen patti flush teen patti master download teen patti lucky