Find the exact values of a) sec of theta b)tan of theta if cos of theta= -4/5 and sin< 0

Using trigonometric ratio:

From the given statement:

and sin < 0

⇒ lies in the 3rd quadrant.

then;

Using trigonometry identities:

Substitute the given values we have;

Since, sin < 0

⇒

now, find :

Substitute the given values we have;

Therefore, the exact value of:

(a)

(b)

stop using this to cheat on home work

step-by-step explanation:

dfbvfvdf

answer 1 : option "c"

answer 2 : option "d"

answer 3 : option "b"

answer 4 : option "d"

answer 5 : option "b"

answer 6 : option "a"

answer 7 : option "c"

answer 8 : option "d"

answer 9 : option "c"

answer 10 : option "d"

answer 11 : option "c"

answer 12 option "b"

answer 13 option "c"

answer 14 option "c"

answer 15 option "d"

answer 16 option "a"

answer 17 option "b"

answer 18 option "c"

answer 19 option "a"

answer 20 option "a"

answer 21 option "c"

d