lisiMarzgum lisiMarzgum
  • 21-11-2016
  • Mathematics
contestada

Prove the trigonometric identity:
(csc^2x)/(cotx)=cscxsecx ...?

Respuesta :

Nirina7
Nirina7 Nirina7
  • 22-11-2016
cscx = 1 / sinx, so csc^2x = 1/ sin²x, and cotx=cosx / sinx
so 
(csc^2x)/(cotx)=(1/ sin²x) (sinx/cosx) = 1/(sinxcosx) = 1/sinx  1/cosx
finally 
(csc^2x)/(cotx)=cscxsecx
Answer Link

Otras preguntas

The first pro league was called the National Basket Ball Association. True False
How does this map reflect the causes of the Thirty Years' War? A. Muslims dominated Europe, leading to conflicts with followers of other religions. B. Roman Cat
____ esa calle dos cuadras. La oficina está a la izquierda. a. Suben b. Sube c. Suba
Discuss the significance of the Cuyahoga River in terms of environmental science milestones.
The disease that is most likely to increase in incidence because of the thinning of the ozone layer is
Samantha wants to buy a skateboard but she does not know if she has enough money. The price of the skateboard is $85 and the sales tax is 6% what will be the to
should scientific knowledge and personal beliefs play equal or unequal roles in decisions about biotechnology?
• describe the opportunities for children in general in Rome best answer get a PRIZE remember it is a surprise
A(n) ___________ increases the amount of money in the money supply. tight-money policy reserve requirement easy-money policy zoning law
Which eating disorder is characterized by the following: an irrational fear of becoming overweight and engaging in extreme dieting, even stravation, to lose wei