Answer:
cos13=0.97 and sin0=0
Step-by-step explanation:
cos(13)
put in calculator and get 0.97
and do the same for sin(0).
sin(0)
0.
I'm sorry, what is the question here?
Answer: 85
Step-by-step explanation:
Answer:



Step-by-step explanation:
Given

Required
Select true inequalities

Subtract 2.1 from both sides

This is true

Open brackets

Subtract 4 from both sides




This is also true
Answer:
The fraction is = 
Step-by-step explanation:
In simplest form the fraction is represented in mixed number as
.
The fraction form of the mixed number can be given as :

Let the fraction be =
[As multiplying same numbers to numerator and denominator does not affect the proportion.
Sum of numerator and denominator is = 30
This, can be represented as:

Solving for
.

Dividing both sides by 10.


So, the fraction will be = 
⇒ 