Question : The value of $\tan10°\tan15°\tan75°\tan80°$ is:
Option 1: 0
Option 2: 1
Option 3: –1
Option 4: 2
New: SSC CHSL Tier 2 answer key released | SSC CHSL 2024 Notification PDF
Recommended: How to crack SSC CHSL | SSC CHSL exam guide
Don't Miss: Month-wise Current Affairs | Upcoming government exams
Answer (1)
10th Jan, 2024
Correct Answer: 1
Solution :
$\tan10°\tan15°\tan75°\tan80°$
$= \tan10°\tan15°\tan(90°-15°)\tan(90°-10°)$
$= \tan10°\tan15°\cot15°\cot10°$
$=1$
Hence, the correct answer is 1.
Comments (0)
Related Questions
Know More about
Staff Selection Commission Combined High ...
Result | Eligibility | Application | Admit Card | Answer Key | Preparation Tips | Cutoff
Get Updates Brochure
Thank You!
Your Staff Selection Commission Combined Higher Secondary Level Exam brochure has been successfully mailed to your registered email id “”.
Upcoming Exams
Preliminary Exam
Result Date:
21 Nov, 2024
- 28 Nov, 2024
Admit Card Date:
21 Nov, 2024
- 6 Dec, 2024
Mains Exam
Exam Date:
14 Dec, 2024
- 14 Dec, 2024
Exam Date:
19 Dec, 2024
- 29 Dec, 2024
Tier II
Exam Date:
18 Jan, 2025
- 20 Jan, 2025
