Question : Simplify the following:
$\mathrm{(1+cot^2\theta)(1-cos\theta)(1+cos\theta)}$
Option 1: 1
Option 2: –5
Option 3: 3
Option 4: –3
Answer (1)
24th Jan, 2024
Correct Answer: 1
Solution :
$\mathrm{(1+cot^2\theta)(1-cos\theta)(1+cos\theta)}$
$=\mathrm{(1+cot^2\theta)(1-cos^2\theta)}$
$=\mathrm{(cosec^2\theta)(sin^2\theta)}$
$=1$
Hence, the correct answer is 1.
Comments (0)
Related Questions
Know More about
Staff Selection Commission Sub Inspector ...
Result | Eligibility | Application | Selection Process | Cutoff | Admit Card | Preparation Tips
Get Updates Brochure
Thank You!
Your Staff Selection Commission Sub Inspector Exam brochure has been successfully mailed to your registered email id “”.
Upcoming Exams
Application Date:
27 Dec, 2024
- 16 Jan, 2025
Admit Card Date:
26 Dec, 2024
- 20 Jan, 2025
Application Date:
1 Dec, 2024
- 30 Dec, 2024
Admit Card Date:
23 Dec, 2024
- 5 Jan, 2025
Application Date:
17 Dec, 2024
- 1 Jan, 2025
