nelly53 nelly53

24-04-2017
Mathematics

contestada

1-cos^2 A / sec^2 A - tan^2 A

Respuesta :

Аноним Аноним

24-04-2017

I hope this helps you

✔cos^2A+sin^2A=1

✔1-cos^2A=sin^2A

✔cos2A=cos^2A-sin^2A

✔sin2A=2.sinA.cosA

secA=1/cosA

tgA=sinA/cosA

sin^2A/1/cos^2A-sin^2A/cos^2A

sin^2A.cos^2A/cos2A

2.sin^2A.cos^2A/cos2A

sin2A.2.sin2A/cos2A

tg2A.2.sin2A

Answer Link

Otras preguntas

The Lee's have three children. The oldest is twice as old as the youngest. The middle child is five years older than the youngest. If the sum of the ages is 57,

if the x-axis is quantity and the y-axis is price, which of the following is the best summarization of the supply shift from S1 to S2?

August 6 Purchases 78 handheld game devices on account from GameGirl, Inc., for $240 each, terms 1/10, n/60. August 7 Pays $440 to Sure Shipping for freight cha

Angel lives in Florida, which has a sales tax of 6%. He just bought some word- processing software whose full price was $90, but he presented the retailer with

Montana Company was authorized to issue 150,000 shares of common stock. The company had issued 69,000 shares of stock when it purchased 11,000 shares of treasur

Jessie has received a contract to build a real-time application for a baker. However, the baker doesn't want to invest too much money. His only requirement is t

Quicky help????????????

Mobashar lives in Pakistan and is a member of a rap group. His favorite recording artist is Jay-Z. His rap group integrates traditional music with rap. He plans

Consider the equilibrium reaction and its equilibrium constant expression. Br 2 ( g ) + 2 NO ( g ) − ⇀ ↽ − 2 NOBr ( g ) K = [ NOBr ] 2 [ Br 2 ] [ NO ] 2 For the

A methods and measurement analyst wants to develop a time standard for a certain task. In a preliminary study, he observed one worker perform the task six times