Question

If secA=5/4
,verify that
3SinA- 4Sin^3A/4Cos^3A-3
=3tanA-tan^3A/1-3tan^2A

Answer 1

Hope this would help full mark it as *brainly*


Some correction in ur question this is crct question>>>>> 3sinA-4sin³A/4cos³A-3(cosA)=3tanA-tan³A/1-3tan²A

Answer 2

my ans will be check on Google .....as u and me