Question

please solve this :-​

Answer 1

Answer:

1) 3

2) 5.2

3)-3.8

Step-by-step explanation:

1) sinx= AD/ AB

sinx= 3/5

5sinx=3

2) tanx= 3/4

7×tanx= 21/4 = 5.25

3) cosx= 4/5

siny= 8/17

tanx= 3/4

5cosx - 17siny - tanx

= 4 - 8 - 3/4

= -4-3/4

= -19/4