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

what is the difference and similarity between a pentagonal prism and a pentagonal pyramid?
Two identical capacitors are arranged in a circuit. What is the ratio of the equivalent capacitance of the circuit when the capacitors are in series to that whe
What does an acid+base make
Which substance does not obey the Lewis octet rule? a. O₂ b. NO c. CO d. N₂ Can anyone explain this one for me?
deer : woods : : monkey :
The density of ice is 0.92 g/cm3. An ice sculptor orders a one cubic meter block of ice. What is the mass of the block? Hint: 1 m3 = 1,000,000 cm3. Give your an
Decrease £120 by 45%
What is the sales rate for 5% of $50
Which of the following was not one of the four bodily humours? a) choler b) blood c) cholesterol d) black bile e) phlegm
Why does a bike get heavier when it rusts???Very confussed, I cant find anything on the internet :( please help