sophinahopere sophinahopere

18-10-2016
Mathematics

contestada

Why is -csc^2 (pi/4) = -2 ?

Respuesta :

18-10-2016

sin(pi/4) = 1/sqrt(2)
csc(pi/4) = sqrt(2)
csc^2(pi/4) = 2
-csc^2(pi/4) = -2

Answer Link

Otras preguntas

WRITING A story Write a story. The story must end with the words: 'Thanks, you saved my life!' Write 120-150 words.

which methods could you use to calculate the y coordinate of the midpoint of a vertical line segment with end points at (0,0) (0, -12). check all that apply

Mark all of the words using Suffixes: HardenApealSoftlyChaseHurtfulMark all of the words using prefixes:UndoHopefulQuickly Overdo Inconvenient

write your answer as an integer or as a decimal rounded to the nearest tenth

Can you do this question?

HELP. Use the grouping method to factor the polynomial below completely. x^3 – 5x^2 + 3x - 15 A. (x^2 + 5)(x-3) B. (x^2 - 3)(x+5) C. (x^2 - 5)(x+3) D. (x^2 + 3)

v=u + 2at Where v is the final velocity (in m/s), u is the initial velocity (in m/s), a is the acceleration (in m/s?) and t is the time in seconds). Find v when

How many characters should a strong password have? four six eight ten

If the diameter of Spaceship Earth is 0.05km and diameter of the sun is 1.4 million km what is the scale for this model

a water tank is filled with water up to 3.5 m height caluclate the pressure given by the tanks at its bottom