Find the best answers to your questions with the help of IDNLearn.com's expert contributors. Find the solutions you need quickly and accurately with help from our knowledgeable community.

prove that SinA×tanA/1-CosA=1+secA​

Sagot :

answer in the image....

hope it helps!!

View image Aiesharehana

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.

=