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

Is "supercalifragilisticexpialidocious" a real word or just a random phrase said in Mary Poppins?
If the length of one side of a square is 12.0 m, what is the perimeter of the square?
598500 rounded to thousand
how did mercantilism cause the american revolution
Joseph drives 125 miles in 2 1/2 hours. At the same rate, how far will he be able to travel in 6 hours
Differentiate between pseudoscience and science
Consider a food chain with 1,000 joules (an energy unit) available at the producer level. If this food chain is grass -> grasshopper -> lizard -> crow,
Wearing this colour after Labour Day might get you a ticket from a fashion cop! A. Pale Pink B. White C. Lime Green D. Gray
What was one major effect of industrialization on American society?
a natural solid that has its particles arranged in a crystal pattern is called