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

If cos(α+β)=35,sin(αβ)=513 and 0<α,β<π4, then tan(2α) is equal to:

A
2116
No worries! We‘ve got your back. Try BYJU‘S free classes today!
B
6316
Right on! Give the BNAT exam to get a 100% scholarship for BYJUS courses
C
6352
No worries! We‘ve got your back. Try BYJU‘S free classes today!
D
3352
No worries! We‘ve got your back. Try BYJU‘S free classes today!
Open in App
Solution

The correct option is B 6316
cos(α+β)=35tan(α+β)=43
sin(αβ)=513tan(αβ)=512

Now,
tan(2α)=tan((α+β)+(αβ))

=tan(α+β)+tan(αβ)1tan(α+β)tan(αβ)

=43+512143×512

=6316

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