Question

if x+y=90, and tan(x)=4tan(y), then find x and y.​

Answer 1

Answer:

x=18

y=72

Step-by-step explanation:

x+y=90 ...equation 1

tanx=4Tany equation 2

put the value of x in equation 1

4tany+y=90

5tany=90

tany=18

value of y put in equation 2

tan x=4×18

tanx=72