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

Imagine you somehow developed a chronic disease. How would you gather information that would help you cure your illness? How could you tell if the information y
The fasces symbol, a bundle of elm or birch rods are bound together by straps with the blade of an axe protruding from the bundle, symbolizes:
Queen Hatshepsut was responsible for the valley of the?
Help please!????!?!!!!?
who is in charge of holding the supremacy clause in the united states
where did the gold of the Inca civilization come from a) continental-continental convergence b) divergent plate boundaries c) transform plate boundaries d) oce
11 1/2 ÷ 6 1/3 = number mixed simplest form
Estimate 243 times 6
what is the answer for 7.8299-2.01
What the meaning of the word corrode and how do I use it