debbieperez2002 debbieperez2002

24-05-2017
Mathematics

contestada

Simplify the expression.
((cscy+coty)(cscy-coty))/(cscy)

A. -sin(y)
B. cos(y)
C. sin(y)
D. csc(y)

50 points!!!

Respuesta :

Firefly720 Firefly720

24-05-2017

should be B. I would get someone to double check me though!

Answer Link

longwoodfade longwoodfade

03-01-2021

Answer:

sin y

Step-by-step explanation:

Start with the numerator

(csc y + cot y)(csc y - cot y)=csc²y - cot²y

cot²y = csc²y -1

replace cot²y with csc²y -1

csc²y - csc²y +1 =1

Then 1/csc y = sin y

Answer Link

Otras preguntas

What are two ways to make 7/10 Move a number to each line to complete the equations.10210++710+210++7101021031010

Please help I only have 34 minutes

The following table shows the distance from Tessa’s house to her favorite locations. Distance from tessas house (in kilograms) : School-3 Library-5 Park-4 Movie

What are the tiny lines found on fingers, Palms, toes, and soles called

rewrite the improper fraction 7/6 as a mixed fraction

What is the equation of this function after it is reflected over the x-axis? O A. F(X) = (y + 4)3 O B. F(x) = y(x + 4)3 O C. F(x) = -(x + 4)3 O D. F(X) = -(y +

what is the mean absolute deviation of 10, 5, 7, 10, 19, 32, 25?

can someone please tell me what an exponent is?

3 benefits found in the bill to help people who are experiencing hardship because of the corona

Some of the characteristics of a chemical change are the release of a(n) _____________or a change in ____________________________or smell. Fill in the blanks!!