antonia0794
antonia0794 antonia0794
  • 04-03-2015
  • Mathematics
contestada

Verify that 1 + cot2 x = csc2 x is an identity.

Respuesta :

Аноним Аноним
  • 04-03-2015
[tex]\sin ^{ 2 }{ x } +\cos ^{ 2 }{ x } =1\\ \\ \frac { \sin ^{ 2 }{ x+\cos ^{ 2 }{ x } } }{ \sin ^{ 2 }{ x } } =\frac { 1 }{ \sin ^{ 2 }{ x } }[/tex]

[tex]\\ \\ \frac { \sin ^{ 2 }{ x } }{ \sin ^{ 2 }{ x } } +\frac { \cos ^{ 2 }{ x } }{ \sin ^{ 2 }{ x } } =\frac { 1 }{ \sin ^{ 2 }{ x } } \\ \\ 1+\cot ^{ 2 }{ x } =\csc ^{ 2 }{ x } [/tex]
Answer Link

Otras preguntas

question number 4 please help
In 1803, the United States bought Louisiana Territory from France. The deal, known as the Louisiana Purchase, doubled the size of the U.S. and opened a new fro
Calculate the number of oxygen atoms in 2.00 moles of Mn2O7
United States lawyer and politician who advocated free silver and prosecuted John Scopes (1925) for teaching evolution in a Tennessee high school
The Virginia town where Robert E. Lee surrendered to Ulysses S. Grant in 1865, ending the Civil War
Why are the Muslims and the Jews are fighting over Israel?
Who was Samuel F.B. Morse?
question number 4 please help
What is English Literature??
question number 4 please help