2 years ago

Item 10

Mathematics

1 answer:

storchak [24]2 years ago

7 0

et grass cowbowcowbow

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Trigonometry (ASAP) (Urgent)

Olin [163]

Answer:

h = 1.403733341286

Step-by-step explanation:

17.

the triangle of sides ‘l’ and ‘l-h’ is a right angled triangle.

Then

$\cos \theta =\frac{l-h}{l}$

Then

$l\cos \theta =l-h$

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$h=l-l\cos \theta$

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For l = 6 and θ = 40 :

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1 year ago

Simplify the following cos(-x)tanx

RSB [31]

$\bf \textit{symmetry identites}\\\\
cos(-\theta)=cos(\theta)\\\\
-----------------------------\\\\
cos(-x)tan(x)\implies cos(-x)\cdot \cfrac{sin(x)}{cos(x)}\\\\\\ cos(x)\cdot \cfrac{sin(x)}{cos(x)}\implies sin(x)$

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