6+4/4 + 3/3 (substitute variables)
10/4 + 3/3 (add 6+4)
5/2 + 1 (Simplify fractions)
2 1/2 + 1 (Write improper fraction as proper fraction)
3 1/2 (add)
Answer: 3 1/2 (three and a half)
In any right triangle ABC, with right angle A we have the following:

and

.
This means that the sine of a non 90° angle, is equal to the cosine of its complementary angle.
Thus,

.
(Take a look at the picture. From the definition of trigonometric ratios in right triangles we have :

and

)
Answer: 19/20
Answer:
x = - 
Step-by-step explanation:
Given
4x - 6 = 10x - 3 ( subtract 10x from both sides )
- 6x - 6 = - 3 ( add 6 to both sides )
- 6x = 3 ( divide both sides by - 6 )
x =
= - 