Chesaina
Chesaina Chesaina
  • 02-11-2021
  • Mathematics
contestada

prove that SinA×tanA/1-CosA=1+secA​

Respuesta :

aiesharehana
aiesharehana aiesharehana
  • 02-11-2021

answer in the image....

hope it helps!!

Ver imagen aiesharehana
Answer Link
Аноним Аноним
  • 02-11-2021

Answer:

Below.

Step-by-step explanation:

SinA×tanA/1-CosA

As tanA = sinA / cos A we have

sin^2A / cosA(1 - cosA)

= (1 - cos^2A) /  cosA(1 - cosA)

= (1 - cosA)(1 + cosA) / cosA(1 - cosA)

= (1 + cosA) /cos A

= 1 + 1/cosA

= 1 + secA.

=

Answer Link

Otras preguntas

Answer every question please.
Someone please help me
One student completed a cookie mining experiment in a very short period of time. In your own words, explain how “time is money” in the cookie mining experiment
Why was the key rubbed with sadal paper in electroplating
f(x) = lnx/x (a): Find f'(x) and show that x = e is a maximum (b): Deduce that e^x >= x^e, for x > 0
Write as an equivalent decimal 17 1/3
Plz help me with #4
Rainforests cover about ______ percent of the Earth's surface and contain more than _______ percent of the plant and animal species in the world.  A. 50,90   B
which of the stages of the water cycle were you able to observe in your model
Find the median, mode, and range of this set of scores 100, 100, 95, 90, 90, 80, 80, 60