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skad [1K]
3 years ago
7

If tan A= 1,what is the value of A​

Mathematics
1 answer:
xxMikexx [17]3 years ago
6 0

Answer:

45°

Step-by-step explanation:

Ok, so, there is one thing I need to point out. 45° is the 'main' value if you assume 0°<A<180°. However, sin,  cos, and tan have different periods which means that there are infinite values of A where tanA = 1. The general notation that you could put is A = 45° + (n*180°) where n is just a number. For example, if n = 1, you would get an angle of 225°. If you plug tan225° into the calculator, you get 1. If you did radians, you could write A = \frac{\pi}{2} + n\pi. But ignore that if you haven't. Basically, the answer would be 45° if you are assuming A is between 0° and 180°. Also, you could have just used your calculator and types inverse tan function (tan^{-1}) and plug in 1 to find the primary answer of 45.

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Delvig [45]
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4 0
3 years ago
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A line's y -intercept is 10,and its slope is 9 . What is its equation in slope-intercept form?
LenaWriter [7]

Answer:

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Step-by-step explanation:

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3 years ago
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kicyunya [14]

Given:

f^{\prime}\left(x\right)=x-4,\text{ and}f\left(2\right)=-1

To find:

The correct function.

Explanation:

Let us consider the function given in option D.

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Differentiating with respect to x we get,

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Therefore, the given conditions are satisfied.

So, the function is,

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Final answer: Option D

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