Question

If cosθ=2/5, the find the value of 2 tan^2 θ +2

Answer 1

Answer:12.5

Step-by-step explanation:

cos=2/5

adj=2  hyp=5

opp=root 21

tan=opp/adj

root21/2

tan^2=21/4

2tan^2+2=25/2=12.5

Answer 2

Step-by-step explanation:

the value of 2 tan ^2theta+2=12.5