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

(29 points!!!)Enter the correct answer. in the rectangle ABCD, BD =96. What is the length of ED? Diagram not drawn to scale. Numeric answer only Do NOT include
2y+3=5x-18. make x the subject​
Evaluate the logarithm log 0.001​
Maribel, necesito el botiquín de primeros auxilios. Cubre tu herida de la pierna con la gasa.To whom would the directions above best apply? (1 point)A person wi
Alex works as a customer-service representative at an insurance company. Before starting his shift, Alex reviews issues from his last shift to make sure they ha
Write a letter to a friend, telling him or her why Jesus is the only way to God and how one becomes a Christian. Use your own testimony to help your friend unde
f f(x) = 3x, calculate f(4). help
I was thinking about converting a shed into a livable place About how much would it cost to add the light, running water, etc...?-------------------------------
How many moles are in 435 grams of sulfur, S?
need help with degree of polynomial