lenacodiened lenacodiened
  • 01-05-2017
  • Mathematics
contestada

Which expression is equivalent to (1 – sin2 x)(sec x)?

Respuesta :

Ellsonic
Ellsonic Ellsonic
  • 01-05-2017
sin(2x) = 2sin(x)cos(x) so 

sec(x)sin(2x) = 2sec(x)sin(x)cos(x) = 2sin(x) 

because sec(x)cos(x) = 1. 

Answer Link

Otras preguntas

One of the purposes of Mark Twain’s “Taming the Bicycle” is to entertain the reader. Which sentence in this excerpt uses humor to achieve this purpose? We exam
Which verb best completes this sentence? Liliana y Mónica _____ dónde están las computadoras. A. saben B. conocemos C. conocen D. sabemos
Use tedium in a loose sentence
John kept track of how many baskets were made in a basketball game. After 4 minutes, 5 baskets were made. How long did it take until there were 12 baskets mad
Which financial statement is prepared first?
How was the English language created?
What two kinds of disputes have their original trials in the supreme court?
Gregor Mendel was the first scientist to use statistics to analyze scientific data. Before Mendel’s experiments, scientists believed that organisms acquired tra
Replace_ with a number to make_/24 >1/4 a true statment
Turn these mixed numbers to fractions