CameraIcon
CameraIcon
SearchIcon
MyQuestionIcon
MyQuestionIcon
1
You visited us 1 times! Enjoying our articles? Unlock Full Access!
Question

If sinθ=12
and θ is acute,
then find the value of (3cosθ4cos3θ).

A
0
Right on! Give the BNAT exam to get a 100% scholarship for BYJUS courses
B
12
No worries! We‘ve got your back. Try BYJU‘S free classes today!
C
16
No worries! We‘ve got your back. Try BYJU‘S free classes today!
D
1
No worries! We‘ve got your back. Try BYJU‘S free classes today!
Open in App
Solution

The correct option is A 0
Given,
sinθ=12θ=30
Now,
3cosθ4cos3θ=3cos304cos330=3×324×(32)3=3324×338=332332=0

flag
Suggest Corrections
thumbs-up
0
Join BYJU'S Learning Program
similar_icon
Related Videos
thumbnail
lock
Trigonometric Ratios of Standard angle(30,60,90)
MATHEMATICS
Watch in App
Join BYJU'S Learning Program
CrossIcon