menukc527
menukc527 menukc527
  • 03-04-2021
  • Mathematics
contestada

Without using calculator or a table,prove that:Cot20°=2tan 50°+tan20°​

Respuesta :

smithkekoal970
smithkekoal970 smithkekoal970
  • 03-04-2021

here you go. hope it help.

brainliest is appreciate

Ver imagen smithkekoal970
Answer Link

Otras preguntas

For any given reaction, which of the following will speed up the reaction rate? a)increase the temperature b)add a catalyst c)increase the surface area d
how many halves are in 35/10?
plz help me with my hw
Is the underlined phrase an adjective phrase or an adverb phrase? Deep in the forest, a fox hunts a mouse to eat. --------------- A. adjective phra
Select all that apply. Which of the following are energy solutions that release pollution into the air> coal petroleum fuel cells wind energy oil nuclear ene
Which action was not used by some white Southerners to deny justice to blacks? A. They passed black codes. B. They allowed hate groups such as the Ku Klux Kla
What is the solution of the system? Use a graph. y = –3x + 2 y = –3x + 4 A. (0, 4) B. (0, 2) C. infinitely many solutions D. no solutions
An organism that contains two different alleles for a trait is said to be _______ for that trait. A. heterozygous B. recessive C. homozygous D. domi
What do antibodies do? attach to cells with the corresponding antigen produce immature cells that become B cells engulf and destroy pathogens produce antigens
Which one of the following sentences contains an abstract noun ? A.The vase was quite expensive. B.She handed him the dish towel. C.His smile could charm an