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

If sec(4A)=cosec(A20°), where 4A is an acute angle, then what is the value of A?

A
110
No worries! We‘ve got your back. Try BYJU‘S free classes today!
B
22
Right on! Give the BNAT exam to get a 100% scholarship for BYJUS courses
C
55
No worries! We‘ve got your back. Try BYJU‘S free classes today!
D
44
No worries! We‘ve got your back. Try BYJU‘S free classes today!
Open in App
Solution

The correct option is B 22

Given: sec(4A)=cosec(A20°)

cosec(904A)=cosec(A20).....(secA=cosec(90A))

904A=A20

90+20=A+4A

110=5A

A=22


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