CDS 2013 PYQ with Answer — What is sin^6θ+cos^6θ+3sin²θcos²θ equal to?

Atlas Essay Optional Vistaar

UPSC CDSCombined Defence Services Overview

Test Series

Daily Quiz
Mock Tests
All-India Test

Study

Syllabus
PYQs
Trends
Practice

Progress

Analytics
Rankings
Results

AI Tools

AI Doubts
AI Quiz

Exit to Mains

Overview Daily Quiz Mock Tests All-India PYQs Practice

Atlas Essay Optional Vistaar

UPSCOne

Practice previous-year questions with verified answers and detailed explanations, in English and Hindi — Prelims and Mains, CAPF, CDS and EPFO — with topper copies, study circles and mentors on one focused desk.

Have a question, suggestion, or feedback?

SearchGet in touch on Telegram

Get startedSign in

Products

Prelims
PYQ Explorer
Test Center
Answer Practice
Topper Copies
Atlas
Current Affairs
Vistaar Tracker
Study Circles
Mentors
Interview Transcripts
Premium

Company

About
What's New
Testimonials
Feedback Wall
Help & FAQ

Legal

Privacy Policy
Terms of Service

Atlas Essay Optional Vistaar

UPSC CDSCombined Defence Services Overview

Test Series

Daily Quiz
Mock Tests
All-India Test

Study

Syllabus
PYQs
Trends
Practice

Progress

Analytics
Rankings
Results

AI Tools

AI Doubts
AI Quiz

Exit to Mains

Overview Daily Quiz Mock Tests All-India PYQs Practice

CDS 2013 · Elementary Mathematics (CDS-II)Q91

Back to the full 2013 paper

2013 · Q91

What is sin^6θ+cos^6θ+3sin²θcos²θ equal to?

Elementary MathematicsTrigonometry

A0
B1
C2
D4

Explanation

= (sin²+cos²)³=1. Answer B.

Previous question Next question