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Liula [17]
3 years ago
11

Find the value of tan 45º . tan- 30° tan 60°​

Mathematics
1 answer:
Aneli [31]3 years ago
6 0

Answer:

Find the exact value of tan 45º = 1/1 = 1.

Find the exact value of cos 30º = √3/2.

Find the exact value of csc 60º = 2√(3)/3

Step-by-step explanation:

math

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What is the measure of env (5x+57)degrees
SashulF [63]

Answer:

D) 132°

Step-by-step explanation:

8x+12=5x+57    subtract 5x from both sides

3x+12=57           subtract 12 from both sides

3x= 45                divide by 3 from both sides

X=15

5(15)+57=132°

6 0
3 years ago
Select all of the ordered pairs that make the inequality y > x2 + 3x – 4 true. (0, 0) (2, 1) (–2, –1) (–5, –1)
fredd [130]
The correct answers are:
___________________________________________________
   [A]:   " (0, 0) " ;   <u>AND</u>:
___________________________________________________
   [C]:  " (-2, -1) " .
___________________________________________________

Explanation:
___________________________________________________

[A]:  " (0, 0) " ;  is correct; 

Since, when "x = 0"  and y = 0 : 

"0 <span> > - 4 " ; which is correct.
</span>___________________________________________________
  [B]:  "(2, 1)" is incorrect,  since:

when "x = 2" and "y = 1" ; 

" 1 > 6"  ; is incorrect.
___________________________________________________
[C]:  "(-2, -1)" ; is correct;

Since, when "x = -2" and y = -1" ; then:

   "-2 <span> > -6 ; which is correct.
</span>___________________________________________________
[D]:  " (-5, -1) " ;  is INCORRECT.

 since when "x = -5" and "y = -1 ;

then:  -1 > 6 ; which is INCORRECT. 
___________________________________________________
8 0
3 years ago
23 20' 48" is the same as _____. <br><br> Round to the nearest hundredth of a degree.
pentagon [3]
23° 20' 48" in degrees

Minutes are 1/60 of a degree and seconds 1/60 of a minute.

Let's convert the 48" to minutes.
48/60 = 0.8

23° 20' 48" ⇒ 23° 20.8'

Let's convert the 20.8' to degrees.
20.8/60 ≈ 0.3466667

23° 20.8' ⇒ 23.35°
3 0
3 years ago
Read 2 more answers
I need help with number 16 i need the answer by 8:45 please. Thank you
Nadusha1986 [10]
Type o ( ii)        =   6 . 25 

Type A ( l^A l ^A    or l ^A i )    = 18 . 75 

Type B   ( l ^b l^b  or l ^ bi )   = 18.75

Type AB ( l ^ A l^ B)    = 56.25 

3 0
3 years ago
PLEASE ANSWER + BRAINLIEST!!
vovikov84 [41]
If you have a product of variables, it is not linear.

A. x(y - 5) = 2
xy - 5x = 2
xy is a product of variables, so option A is not linear.

3 0
3 years ago
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