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sammy [17]
1 year ago
5

Find the 75th term of the following6, 10, 14, 18,

Mathematics
1 answer:
enot [183]1 year ago
7 0

Given the sequence:

6, 10, 14, 18,...

We will find the 75th term

The given sequence is an arithmetic sequence

Because there is a constant common differnce

d = 18 - 14 = 14 - 10 = 10 - 6 = 4

The first term = a = 6

The general formula of the arithmetic sequence is as follows:

a_n=a+d(n-1)

Where: n is the nth term

To find the 75th term, substitute with n = 75 and a = 6, d = 4

a_{75}=6+4\cdot(75-1)=302

So, the answer will be the 75th term = 302

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nekit [7.7K]

By applying the definitions of <em>trigonometric</em> functions, the <em>exact</em> values of the sine, secant and tangent of the point on the <em>terminal</em> side are \sin \theta = \frac{2}{\sqrt{53}}, \sec \theta = -\frac{\sqrt{53}}{7} and \tan \theta = -\frac{2}{7}.

<h3>How to determine the exact values</h3>

In this question we need to find the exact values of three <em>trigonometric</em> functions associated with the <em>terminal</em> side of an angle. The following definitions are used:

Sine

\sin \theta = \frac{y}{\sqrt{x^{2}+y^{2}}}     (1)

Secant

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Tangent

\tan \theta = \frac{y}{x}     (3)

If we know that x = - 7 and y = 2, then the exact values of the three <em>trigonometric</em> functions:

Sine

\sin \theta = \frac{2}{\sqrt{53}}

Secant

\sec \theta = -\frac{\sqrt{53}}{7}

Tangent

\tan \theta = -\frac{2}{7}

By applying the definitions of <em>trigonometric</em> functions, the <em>exact</em> values of the sine, secant and tangent of the point on the <em>terminal</em> side are \sin \theta = \frac{2}{\sqrt{53}}, \sec \theta = -\frac{\sqrt{53}}{7} and \tan \theta = -\frac{2}{7}.

<h3>Remark</h3>

The statement reports typing errors, correct form is shown below:

<em>Let (x, y) = (- 7, 2) be a point on the terminal side of θ. Find the exact value of sin θ, sec θ and tan θ.</em>

To learn more on trigonometric functions: brainly.com/question/6904750

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