Answer:
- sin = √(1 -cos²)
- tan = (√(1 -cos²))/cos
Step-by-step explanation:

_____
If you draw a triangle with a hypotenuse of 1 and an "adjacent" leg of "cos", then using the Pythagorean theorem, you can see that the "opposite" leg will be √(1-cos²) and the tangent will be (√(1-cos²))/cos. Whether or not you're allowed to draw such a triangle on paper, you can certainly do it in your mind.
Answer:
she will need to babysit for 14 hours
Step-by-step explanation:
24 is the correct answer because the question is about triangle similarity so if you divide 15 by 3 then you get 5 which is the base of the smaller triangle.
Answer:
f(x)= 1.8x + 1
Step-by-step explanation:
Just got it right on edge :)
Answer: 10 hours
Step-by-step explanation:
Given
Slow fix auto charge $28 for parts and $48 per hour of labor
We work charge $59 for parts and $44.90 per hour of labor
Suppose both works for x hours
Cost of Slow fix= 
Cost of We work= 
When these costs are the same
