Answer:
Step-by-step explanation:
First of all transform the expression using trigonometric identities
That's
So we have
Reduce the expression with tan x
We have
Reduce the expression with cos x
Reduce the expression with sin x
We have the final answer as
Hope this helps you
Answer: 2.8 x 10^-3
Step-by-step explanation: Because 10^-3 moves the decimal backwards 3 times
x=10
10 a 8 son dos, entonces 14 ax es 4