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igor_vitrenko [27]
3 years ago
10

22. The tangent of an angle is 7.5. What is the measure of the angle to the nearest tenth?

Mathematics
2 answers:
nika2105 [10]3 years ago
6 0

Answer:

82.4 degrees

Step-by-step explanation:

Given in the question,

tan A = 7.5

Thus, value of angle will be given by

A = tan^{-1} (7.5)\\A = 82.4 degrees

borishaifa [10]3 years ago
4 0

use the 2nd function on your calculator and use tan^-1 for this

so tan^-1(7.5) = 82.4

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________________________________________________________
  The "coefficient" of the "a" term is:  " - 12" . 
________________________________________________________
  The "constant" is:  " 32 " .
________________________________________________________

Explanation:

________________________________________________________

Let:   "a = x² + 4 " .

Given:  (x² + 4)²  + 32  =  12x² + 48  ; 
______________________________________________________

Factor:  "12x² + 48" into " (x² + 4) " ;

"12x² + 48"  =  12 (x² + 4) " ;
______________________________________________________

Given:    (x² + 4)²  + 32  =  12x² + 48 ; 

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Subtract "12a" from each side of the equation; 

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" a² - 12a + 32 = 0 " .
___________________________________________________
The coefficient of the "a" term;  that is:

The "coefficient" of " -12a" ;  is:  "- 12" . 

The constant is:  "32<span>" .
</span>___________________________________________________
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