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Grade 11Trigonometry

if tan A/tan B = k find the value of cos(A+B)/cos(A-B). not needed to show the whole solving...just give the basic concept and ans.

Profile image of Akash Kumar Dutta
13 Years agoGrade 11
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2 Answers

Profile image of shiddhant bhattacharya
ApprovedApproved Tutor Answer13 Years ago

is the ans ((4k)^1/2)/(k+1)?

Profile image of Akash Kumar Dutta
13 Years ago

can you please show the concept involved in it.

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