samoka
samoka
02-04-2017
Mathematics
contestada
Does anyone can help me to prove that ...
Respuesta :
ghanami
ghanami
02-04-2017
hello :
by identity : cos²(x)+sin²(x) = 1
divide by cos²(x) :
cos²(x) /cos²(x) +sin²(x)cos²(x)/ = 1/cos²(x)
1+sin²(x)cos²(x)/ = 1/cos²(x)
1+ (sin(x)/cos(x))² = 1/cos²(x)
1+tan²(x) = 1/cos²(x)
conclusion :
tan²(x) = 1/cos²(x) -1
Answer Link
VER TODAS LAS RESPUESTAS ( 91+ )
Otras preguntas
Which sentence below contains an incorrect verb form? A. The class was waiting to see the passing of the Olympic torch whose route run along the outside of the
Find a quadratic model from the news or social media. Describe the model including what the variables represent. If you graphed it, would the parabola open up o
No more crazy people plz just answer this question
Find the unknown sides of the triangle
Plz Help (I will give Brainiest) Both Mora and Ortiz are known for their efforts to preserve the cultures from which they come. To what extent does each of thes
write any three primary activities of a program??
The doctor orders 400 mg of Drug X. The available dosage strength is 250 mg per 1.5 mL. How many mL does the patient get?
Do someone have a courses hero account
Whats a good way to remember numbers in french?
SOMEONE PLEASE HELP ME I WILL GIVE U BRAINLIEST!!!
