anishbaniya551645 anishbaniya551645

09-05-2021
Mathematics

contestada

Prove that:
(1 + Tan²A) Cos²A = 1

Respuesta :

saumyaadhikari saumyaadhikari

09-05-2021

Step-by-step explanation:

=(1+ sin^2 A/cos^2 A).cos^2 A

=[(cos^2 a+sin^2 a)/cos^2 a].cos^2 A

=[1/cos^2 a] . cos^2 a

=1

Answer Link

Otras preguntas

Hannah had dinner at her favorite restaurant. If the sales tax rate is 4% and the sales tax on the meal came to $1.25, what was the total cost of the meal, inc

The ________ in literature is between the antagonist and another person or force. denouement procession conflict rising action

What was the Allies’ purpose in invading Italy and France?

When three or more lines intersect at one point they are ______.

Which of the following explains why antibiotics will not work against a viral infection? a. Viruses replicate at such an accelerated rate that antibiotics are u

Which of the following correctly compares how plant and animal cells differ? a. Plant cells have chloroplasts and mitochondria for energy, but animal cells do

what does des badauds ou chineur confirmes de la grande region

If the root proto- means "early or first," which word means "the study of culture prior to its earliest recording"? 1. protohistory 2. prototype 3. protoplasm

The Olympic-size pool at the recreational center is a right rectangular prism 50 m long and 25 m wide. The pool contains 3000 m of water. How deep is the water

Trends in Latin American population growth over the past 50 years are best described as?