sdtev sdtev
  • 21-07-2016
  • Mathematics
contestada

verify the identity: (1 -sinx) / cosx = cosx / (1 +sinx)

Respuesta :

konrad509
konrad509 konrad509
  • 21-07-2016
[tex]\dfrac{1-\sin x}{\cos x}=\dfrac{\cos x}{1+\sin x}\\ \cos^2 x=(1-\sin x)(1+\sin x)\\ \cos^2 x=1-\sin^2 x\\ \sin^2 x+\cos ^2 x=1[/tex]

It IS the identity.
Answer Link

Otras preguntas

Danny charges $35 for 3 hours of swimming lessons. Martin charges $24 for 2 hours of swimming lessons. Who offers a better deal?
can some one help me -5+9c-2c
Which of the following best describes the relationship between the shape of enzymes and the reactions they catalyze? (2 points) Select one: a. The shape of an e
50. Two airplanes leave the airport at the same time, flying in opposite directions. One plane flies 100 miles per hour faster than the other. They fly for 4 ho
Which of these is a likely impact of the stronger than normal trade winds on the eastern Pacific ocean?
Will reward brainliest for correct answer! How does the work of the National Oceanic and Atmospheric Administration (NOAA) help people? A. They monitor weather
What may happen if the oceanic plates stop moving? A. Erosion would change the color of Earth’s surface. B. There would be no new island formations. C. V
There are two kinds of laws in the Ten Commandments. What are they?
3. _____________________Blank was the Spanish soldier who overthrew the Aztec Empire.
F(x)=x+2/5 what is the value of f^-1(-3)