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

If tan x=34, 3π2<x<2π, then find
cos2x

Open in App
Solution

tanx=34
fourth Qua 3π2<x<2π
cos2x=12cos2x=12(45)2
cos2x=12(1625)=253225=725
cos2x=725

1377150_1150741_ans_2ec49d8ea1444e2a810335aca3e85f6f.png

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