Answer:
In triangle AB, A and B are acute angles so. AC and BC are right angles.
Sin A = 10/13
13 is the hypotenuse side and 10 is the opposite side.
To find cos A.
From pythagorean theorem:
Step-by-step explanation:
Answer:
72.5
Step-by-step explanation:
Tip for diving with decimals:
Divide like normal 29 ÷ 4 = 7.25
Move decimal point one place to the left 72.5
Answer:
2
Step-by-step explanation:-3 (4 - 7) + (2 x 5 - 17)
-3 (4 - 7) + (10 - 17)
-3 x (-3) + (-7)
9 + (-7)
9 - 7
=2
Answer:
Step-by-step explanation:
