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

tan156+12tan11160=

A
π
No worries! We‘ve got your back. Try BYJU‘S free classes today!
B
π/2
No worries! We‘ve got your back. Try BYJU‘S free classes today!
C
π/4
Right on! Give the BNAT exam to get a 100% scholarship for BYJUS courses
D
3π/4
No worries! We‘ve got your back. Try BYJU‘S free classes today!
Open in App
Solution

The correct option is C π/4
tan156+12tan11160
12tan1(56×21(56)2)+12tan1(1160)[2tan1x=tan12x1x2]
=12tan1(6011)+12tan1(1160)
=12[cot1(1160)+tan1(1160)][tan1x=cot11x]
=12×π2=π4 Because[cot1x+tan1x=π2]

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