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

Which cell is associated with AIDS?
Which of the following is a complex number?
Interpret the following Integrals as signed areas to obtain its value​
Who are Sancho's “neighbors?"people in the townthe Morningstarssome spiders​
Is (6,-6) a solution of the equation 2x + y = 6?
can u please answer the question
which of the following has kinetic energy? A. light B. motion C .food D. motion
Who was the first president to have a phone
Write a congruence sutement for the profile​
which type of limiting factor does the seasonal drought in the serengeti plains affect