Question

In triangle DEF, angle E = 90° and cos F=24/25, then find

a) The length of DE
b) The value of tan F
c) The value of cosec D​

Answer 1

Answer:

cos F=24/25 means adj=24k and hyp is 25k

opp is √(25k) ²-(24k) ²=7k

so, df=25k

de=7k

ef=24k

tan f=de/ef=7/24

sind=24/25

cosecd=25/24