jonaem jonaem
  • 07-05-2018
  • Mathematics
contestada

simplify cos x + cos x tan^2 x

Respuesta :

MANNYCARRILLO6 MANNYCARRILLO6
  • 07-05-2018
cosx(1+tan^2(x))

using identity attached

cosx(sec^2(x))

cosx(1/cos^2(x))

=1/cosx
=secx 

hope that helps
Ver imagen MANNYCARRILLO6
Answer Link

Otras preguntas

How could I delete my brainly account without knowing my password?
What was the importance of the Battle of Yorktown to the Revolutionary War? It was the first entry of French military forces onto the American side. It forced t
Hai dis riwey, im on me mummy account and see sayd that to ask anyone for help when i needs wit. wuts 6 + 12?
Julie obtained an installment loan of $4,600 to have some trees removed from her yard. The APR is 13 percent. The loan is to be repaid in 36 months. What is the
See question in screenshot below.
Finding a Missing Endpoint
Gerry bought tires for his car. The tires cost $80 each and should be replaced every 64000 km. Gerry drove 4000 km on his vacation. What was the cost of the wea
¿Cuántas palabras diferentes (sin importar su sentido) se pueden formar intercambiando de lugar las letras de la palabra peso?l​
The vapor pressure of a liquid doubles when the temperature is raised from 88°C to 99°C. At what temperature will the vapor pressure be seven times the value at
A vernier caliper of least count 0.1mm is used to measure the length of tube. The length of tube is found to be 5cm long. How should this measurement be record