upper90
upper90
11-07-2017
Mathematics
contestada
Simplify (1+tan^2y)(cos2y-1)
Respuesta :
amirreza688
amirreza688
11-07-2017
1+tan^2(y)=1/cos^2(y)
cos 2y -1=cos^2(y) -sin^2(y)-cos^2(y) -sin^2(y)
Answer Link
VER TODAS LAS RESPUESTAS ( 28+ )
Otras preguntas
The square below has side 5x. Find the area of the square remaining after a circle of radius 2x is removed from the square; in other words, find the area of the
In 3 years' time, a girl will be over 18 years old. If she is now x years old, write an inequality in x.
How is the following decimal read? 369.28
What number can be divided into 2 and 3 equal groups without a remainder? A. 36 B. 63 C. 99 D. 115
Identify the preposition in this sentence. Around his neck Mick wore the scarf that Lana gave him. OB. wore O A. that O C. Around OD. his
How did democratic ideas develop in Europe explain?
Gianna just started a running plan where she runs 20 miles the first week and then increases the number of miles she runs by 5% each week. If she keeps up this
AB = 6cm , AC = 12cm Calculate the length of CD Give your answer to 3 significant figures
NEED HELP ASAP PLSSS: What is the role of paragraph 3 in the passage?
Find the area of each composite figure.
