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adell [148]
3 years ago
15

What is the value of sin2a + cos2a + sec2a-tan2a Please

Mathematics
1 answer:
Artemon [7]3 years ago
5 0

Answer:

2

Step-by-step explanation:

sin²a + cos²a + sec²a - tan²a

sin²a + cos²a = 1

1 + tan²a = sec²a

So, sec²a - tan²a = 1

sin²a + cos²a + sec²a - tan²a

= 1 + 1 = 2

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Free_Kalibri [48]
I’m terms of 12 in is the correct answer.
7 0
3 years ago
At the beginning of a basketball season, the Panthers won 40 games out of 60 games. At this rate, how many games will they win i
Sholpan [36]
The panthers won 40 games out of 60, by hypothesis.
Let x be the number of matches they will win out of 110 games, if they keep the same rate. We'll use the rule of three:

40 games ---> 60 games
x games ---> 110 games

x = (110*40) / 60
x = 4400/60
x ≈ 73.33

So the panthers, at this rate, will win 73 games out of 110.

Hope this helps! :)
4 0
3 years ago
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(y +12)<br> (y - 18)<br> (x)<br> (z)<br> x=<br> y =<br> Z =
Wittaler [7]

Answer:

YURRRRRRRRRRRRRRRRRRRRRRR

Step-by-step explanation:

3 0
3 years ago
Can someone really help me on this ill give brainliest to the first answer
mojhsa [17]

Answer:

38/z

Step-by-step explanation:

Key skills: Fractions, Division, Variables

1) 38 is being divided by a variable known as z.

2) 38 being divided by z would be the same as <u><em>38/z</em></u>

Have a nice day! Hope you understood!

5 0
3 years ago
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Please help Math question 50 points! An employer provides two payment options for employees. Option A: Receive $200 the first we
dezoksy [38]

Answer:

it could be and to show his number two because it's running all those numbers up over and over again by percentage is that the end is going to give you a big number

Step-by-step explanation:

on the beginning is adding 200 + 50 we should give you 250 then is a 200 more so it was equals to 450 but then he asked you per week you get 50 extra so is basically 50 x 6 cylinder 6 weeks and I will give you a promise off $300 $300 + 450 equals to 750 each week is 10% so is basically equals to 50 so 50 + 50 + 50 + 50 or the easiest way is 50 * 6 I would go with answer to like I said because it's showing like a little of of a conversation was not given in any Solution on a specific number and that's the most closest one to like the whole problem

3 0
3 years ago
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