Question

if tan tita =5/12then sec tita =___​

Answer 1

Correct option is

A

12

13

tanθ=

12

5

⇒tan

2

θ=

144

25

⇒sec

2

θ−1=

144

25

[∵1+tan

2

θ=sec

2

θ]

⇒sec

2

θ=

144

25

+1

=

144

25+144

⇒sec

2

θ=

144

169

⇒secθ=

144

169

=

12

13

Hence, the answer is

12

13

.