kumari9gt
kumari9gt kumari9gt
  • 24-08-2020
  • Mathematics
contestada

cosA×cos2A+sinA×sin2A=cos (2A-A)​

Respuesta :

makiyahs117
makiyahs117 makiyahs117
  • 24-08-2020

Answer:

csc

A

, as desired!

Step-by-step explanation:

cos

2

A

sin

A

+

sin

2

A

cos

A

,

=

cos

2

A

cos

A

+

sin

2

A

sin

A

sin

A

cos

A

,

=

cos

(

2

A

−

A

)

sin

A

cos

A

,

=

cos

A

sin

A

cos

A

,

=

1

sin

A

,

=

csc

A

, as desired!

Answer Link

Otras preguntas

what is informal communication
Richard Connell’s “The Most Dangerous Game” is a thematically rich story. What is one of the complex psychological themes that this story deals with? a.)the d
Which technological innovation has evolved American society into a fast-paced world based on constant communication? A. satellites B. CD ROMs C. cable ne
Find the slope of the line that passes through the pair of points (-8,2) (2,6)
Bethany walks on the treadmill at least four times per week to maintain her cardiovascular health. Lately, she has been finding excuses not to exercise and is s
What is the standard form of the number shown in the calculator display?. 3.82e+7.
a parallelogram has symmetry with respect to the point of intersection of its diagonals. t/f?
Write the equation of the vertical asymptote for the function, y = In(x-1). Use your calculator to graph the function for you to view
A patient can't move his legs after a motorcycle accident. The doctor suspects nerve damage. What part of the peripheral nervous system could be injured? A. M
Given the equation 4x + 7 = 3(2x − 5), solve for the variable. Explain each step and justify your process. B.Sam solved a similar equation below. Is Sam's solut