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olchik [2.2K]
3 years ago
5

:) PERCENTS PLEASE HELP!!

Mathematics
1 answer:
zloy xaker [14]3 years ago
4 0
The correct answer is
D. $50
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Exercise questions
balu736 [363]

Answer:

2.

a)1

b)1

c)1

Step-by-step explanation:

There's some identity trigonometric equation, which are valid for all angles,and they doesn't depends on the measure of angle!

some of em are follows:. (x is the given angle)

  • sin(x)^2+cos(x)^2=1
  • cosec(x)^2=1+cot(x)^2
  • sec(x)^2=1+tan(x)^2

You can remember these identity, its gonna help alot.

now back to question,. {x is representing angles)

for (a) sin(x)^2+cos(x)^2=1, this is true for all x, dat means that for all the angle given in question(for ,15°,30°,45°,60° and 120°),we will get 1

for(b) ,

cosec(x)^2=1+cot(x)^2

i.e, cosec(x)^2-cot(x)^2=1, again this is true for all x dat means that for all the angle given in question ,we will get 1

for (c),

sec(x)^2=1+tan(x)^2

i.e,sec(x)^2-tan(x)^2=1,again this is true for all x, dat means that for all the angle given in question ,we will get 1

✌️:)

3 0
2 years ago
X + 98<br> x + 98<br> Solve for x
disa [49]

Answer:

I believe your answer is commutative property

4 0
3 years ago
I don’t understand this
SashulF [63]

Answer:

9 to the 5th power

Step-by-

7 0
3 years ago
Read 2 more answers
A bag has 4 red marbles, 5 blue marbles, and 6 green marbles. What is the probability if choosing a red marble from the bag, not
noname [10]

Step-by-step explanation:

hope u get it...

mark brainlist!!!

3 0
2 years ago
each student must do 14 hw problems. there are 23 students in the class, how many problems will your teacher have to grade? who
lys-0071 [83]
The teacher would have to grade 322 problems

14 (problems) x 23 (students)
Answer: 322
6 0
3 years ago
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