brittanyrod
brittanyrod
16-05-2018
Mathematics
contestada
csc x - sin x = cot x • cos x
Respuesta :
MANNYCARRILLO6
MANNYCARRILLO6
16-05-2018
1) expand csc and cotx identity
(1/sinx)-sinx = (cosx/sinx)*(cosx)
2) get common denominator on the left side
(1-sin^2x)/(sinx)= (cos^2x)/sinx
3) using cos^2x+sin^2x=1 you finished
cos^2(x)/sinx= cos^2(x)/sinx
hope that helps
Answer Link
VER TODAS LAS RESPUESTAS ( 17+ )
Otras preguntas
What pre-research decisions do psychologists make?
Paine most likely signed his American Crisis pamphlets under the name “Common Sense” to _____.
How do I write a slant rhyme poem
A dichotomous key starts with _____ information and leads to _____ information. A) specific, general B) general, specific C) known, unknown D) major, minor
SPANISH PLEASE Elige el pronombre para reemplazar (replace) el OBJETO INDIRECTO. Juan compra helado para mi. -> Juan ______ compra helado. me te se le Elige
Which of the following is true regarding the cell theory? A.Cells are non-living entities. B.Cells can be formed from living or non-living things. C.Cells are
What must to occur after the president negotiates a treaty
Jupiter's orbital radius is equal to 5 au. how luminous is jupiter compared to the sun
In the necklace how did Mathilde's actions beliefs or interactions with others develop the conflict in the story?
there are 13 animals in the barn some are ducks and some are pigs there are 42 legs in all how many of each animal are there (ducks have 2 legs and pigs have 4
