EvelynMik
EvelynMik EvelynMik
  • 03-11-2016
  • Mathematics
contestada

1+sin^2 x = 2-cos^2 x

Respuesta :

Аноним Аноним
  • 03-11-2016
1+sin²x=2-cos²x
Remenber:   sin²x+cos²x=1      ⇒sin²x=1-cos²x
 
1+sin²x=1+(1-cos²x)=2-cos² x       (this is true)

Answer Link

Otras preguntas

There is an inverse relationship between x and y. If y is when x is 3, what is x when y is 9? 3 5
What is a group of organisms that look alike and can reproduce among their selfs ?
A number cube is rolled 24 times and lands on 2 four times and on 6 three time. Find the experimental probability of not landing on a 6
How did the Declaration of Independence change the nature of the American Revolution?
Rico is making4 batches of mexican rice. each batch needs 2/3cup of corn. He only has a1/3-cup measure.How manytimes must Rico measure 1/3cup of corn to have en
A number cube is rolled 24 times and lands on 2 four times and on 6 three time. Find the experimental probability of not landing on a 6
How did Alexander the Great rise to power and how did he spread Greek culture to other lands?
1.    How does the friction affect forward motion? Give an example. 2.    Describe two ways to change the frictional force between two solids surfaces. Change t
What is a communicable disease ?
The gases in the air attracted to earth by gravity form layers called the ____