Put the answer as a decimal and explain how you got the answer thank you -1 5/16=?

Mathematics

2 answers:

kogti [31]3 years ago

5 0

Answer:

-1.3125

explanation:

expeople1 [14]3 years ago

5 0

To write - 21/16 as a decimal you have to divide numerator by the denominator of the fraction.
We divide now 21 by 16 what we write down as -21/16 and we get -1.3125

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Free_Kalibri [48]

Answer:

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3 0

3 years ago

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Hitman42 [59]

By using algebra properties and trigonometric formulas we find that the trigonometric expression $\frac{1}{1 - \sin x} - \frac{1}{1 + \sin x}$ is equivalent to the trigonometric expression $\frac{2\cdot \tan x}{\cos x}$ .

<h3>How to prove a trigonometric equivalence by algebraic and trigonometric procedures</h3>

In this question we have trigonometric expression whose equivalence to another expression has to be proved by using algebra properties and trigonometric formulas, including the fundamental trigonometric formula, that is, cos² x + sin² x = 1. Now we present in detail all steps to prove the equivalence:

$\frac{1}{1 - \sin x} - \frac{1}{1 + \sin x}$ Given.

$\frac{1 + \sin x - 1 + \sin x}{1 - \sin^{2}x}$ Subtraction between fractions with different denominator / (- 1) · a = - a.

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$\frac{2\cdot \tan x}{\cos x}$ Definition of tangent / Result

By using algebra properties and trigonometric formulas we conclude that the trigonometric expression $\frac{1}{1 - \sin x} - \frac{1}{1 + \sin x}$ is equal to the trigonometric expression $\frac{2\cdot \tan x}{\cos x}$ . Hence, the former expression is equivalent to the latter one.

To learn more on trigonometric equations: brainly.com/question/10083069

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4 0

2 years ago

This was useless because a selected the exact answers and they where all wrong :(

ivanzaharov [21]

Answer:

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Step-by-step explanation:

3 0

3 years ago

Read 2 more answers