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

Which literary device does Jane Austen use to highlight her characters' traits in Pride and Prejudice? A. Omniscient narration B. Detailed settings C. Dialogue

Equivalent Expression

Breathing is required for cellular respiration. Use the reactants, products, and stages of cellular respiration to explain why breathing is required

Find three consecutive positive integers such that the square of the first increased by twice the second is three less than four times the third.

for isosceles trapezoid mnop,find m

Ab when a =-4 and b=3

Find the x-intercepts of the parabola with vertex (-7,45) and y-intercept (0,-200). Write your answer in this form: (x1, y1),(x2, y2). If necessary, round to th

the declaration of independence who claim the king only wanted to control and not listen to their problems

In mixed economies, governments also tend to take into state ownership troubled firms whose continued operation is thought to be vital to national interests. a

In baseball, a player's batting average is calculated by dividing the number of hits by the numbers of at-bats. If player A's batting average is .312 and he had