wiz-icon
MyQuestionIcon
MyQuestionIcon
1
You visited us 1 times! Enjoying our articles? Unlock Full Access!
Question

Let Q=⎢ ⎢cosπ4sinπ4sinπ4cosπ4⎥ ⎥ and x=⎢ ⎢ ⎢ ⎢1212⎥ ⎥ ⎥ ⎥ then Q3x is equal to

A
[01]
No worries! We‘ve got your back. Try BYJU‘S free classes today!
B
⎢ ⎢ ⎢ ⎢1212⎥ ⎥ ⎥ ⎥
No worries! We‘ve got your back. Try BYJU‘S free classes today!
C
[10]
Right on! Give the BNAT exam to get a 100% scholarship for BYJUS courses
D
⎢ ⎢ ⎢ ⎢1212⎥ ⎥ ⎥ ⎥
No worries! We‘ve got your back. Try BYJU‘S free classes today!
Open in App
Solution

The correct option is B [10]
Given Q=⎢ ⎢cosπ4sinπ4sinπ4cosπ4⎥ ⎥=12[1111] and x=⎢ ⎢ ⎢ ⎢1212⎥ ⎥ ⎥ ⎥=12[11]

Q3=122[1111][1111][1111]

=122[0220][1111]=12[1111]

Q3x=12[1111][11]=12[1111]=[10]

flag
Suggest Corrections
thumbs-up
0
Join BYJU'S Learning Program
similar_icon
Related Videos
thumbnail
lock
Basic Inverse Trigonometric Functions
MATHEMATICS
Watch in App
Join BYJU'S Learning Program
CrossIcon