if cos a=2/5,find the value of 4+4 tan square a
Answers
Answered by
2
CosA=2/5
SecA=5/2
4+4tan^2A
=4(1+tan^2A)
=4(sec^2A)
=4*25/4
=25
SecA=5/2
4+4tan^2A
=4(1+tan^2A)
=4(sec^2A)
=4*25/4
=25
Similar questions