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Tresset [83]
3 years ago
6

Pls help me with this question​

Mathematics
1 answer:
MrMuchimi3 years ago
5 0
I rather not..............
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1-sin^2x/sinx-cscx <br><br>How do I solve this problem? I keep getting the wrong answer.
Annette [7]

Answer:

-sinx

Step-by-step explanation:

a trig identity that is crucial to solving this problem is: sin^2 + cos^2 = 1

with knowing that, you can manipulate that and turn it into 1 - sin^2x = cos^x

so 1-sin^2x/sinx - cscx becomes cos^2x/sinx - cscx

it is also important to know that cscx is the same thing as 1/sinx

knowing this information, cscx can be replaced with 1/sinx

(cos^2x)/(sinx - 1/sinx)

now sinx and 1/sinx do not have the same denominator, so we need to multiply top and bottom of sinx by sinx; it becomes....

cos^2x

---------------------

(sin^2x - 1)/sinx

notice how in the denominator it has sin^2x-1 which is equal to -cos^2x

so now it becomes:

cos^2x

--------------

-cos^2x/sinx

because we have a fraction over a fraction, we need to flip it

cos^2x          sinx

---------- * ----------------

1                  -  cos^2x

because the cos^2x can cancel out, it becomes 1

now the answer is -sinx

3 0
3 years ago
Need help. understand but forgot a step
ki77a [65]
Multiply both sides by 19 to get w=171
4 0
3 years ago
When a snozzberry marmalade machine works at 100% of its capacity, it can make 500 jars of snozzberry marmalade per hour. How ma
Amiraneli [1.4K]

Answer:

350

Step-by-step explanation:

500*70%=350

3 0
3 years ago
Write an equation to find the amount of interest $450,000 earns in 1 year at a simple interest rate of 3.5%.
EleoNora [17]

Answer:

450000x.035

$15,750

..........

4 0
2 years ago
What is the probability of pulling a jack or a heart out of a deck of 52 cards
ikadub [295]

Answer:

 =4/13

Step-by-step explanation:

There are 13 hearts in a deck

4 jacks

but 1 is the jack of hearts so we don't double count it

13+4-1 = 16

P( heart or a jack) = jack or heart/ total

                             = 16/52

                             =4/13

8 0
3 years ago
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