70 degrees, 20 minutes. It's an angle measure in Degrees-Minutes-Seconds(DMS) instead of Decimal Degrees (DDS). DMS is commonly used in engineering, land survey and navigation for ships and planes.
There are 60 seconds in one minute and 60 minutes in one degree.
So 70°20' is =
This line y = 4/5 x - 3 has slope = 4/5
Perpendicular lines, slope is opposite and reciprocal so slope of a line that is perpendicular to the line y = 4/5 x - 3 is -5/4
Answer
- 5/4
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Answer:
3.47 and 3.21
Step-by-step explanation:
Let us assume the nails length be X
Value let separated the top 3% is T and for bottom it would be B
Now converting, we get
Based on the normal standard tables, we get
Now compare these two above equations
So for top 3% it is 3.47
Now for bottom we applied the same method as shown above
Based on the normal standard tables, we get
Now compare these two above equations
hence, for bottom it would be 3.21
this is for the Sin
*Remember that sin = opposite / hypotenuse*
a² + b² = c² (where a and b are legs and c is the hypotenuse)
From the picture, you can see:
a = 3
c = 4
Plug these into the equation and solve for b.
* a² + b² = c² *
step 1: 3² + b² = 4²
step 2: 9 + b² = 16
step 3: b² = 16 - 9
step 4: b² = 7
step 5: √(b²) = √7
step 6: b = ± √7
FOR COS:
From the picture, you can see that if θ is in quadrant II, b has to be negative.
b = -√7 = adjacent
Remember that cos θ = adjacent / hypotenuse.
cos θ = adjacent / hypotenuse
cos θ = (-√7 / 4)
