0 votes
212 views
in Uncategorized by
reopened

If cos (α + β) = 4/5 and sin (α – β) = 5/13 , where α lie between 0 and π/4, find the value of tan2α.

 

 

A)21/16

B)63/52

C)33/32

D)63/16

 

 

1 Answer

+1 vote
by
edited by
 
Best answer

Correct option is D) 63/16 

Detailed solution:

 

Related questions

Doubtly is an online community for engineering students, offering:

  • Free viva questions PDFs
  • Previous year question papers (PYQs)
  • Academic doubt solutions
  • Expert-guided solutions

Get the pro version for free by logging in!

5.7k questions

5.1k answers

108 comments

504 users

...