ashishgrg402
ashishgrg402 ashishgrg402
  • 02-07-2021
  • Mathematics
contestada

Express the trigonometric ratios sinA in term of cosA​

Respuesta :

jimrgrant1 jimrgrant1
  • 02-07-2021

Answer:

sinA = ± [tex]\sqrt{1-cos^2A}[/tex]

Step-by-step explanation:

Using the Pythagorean identity

sin²A + cos²A = 1 ( subtract cos²A from both sides )

sin²A = 1 - cos²A ( take the square root of both sides )

sinA = ± [tex]\sqrt{1-cos^2A}[/tex]

Answer Link

Otras preguntas

What is the end behavior of the graph?
In the figure, mm is parallel to n and r is a transversal. If m=45 degrees, find the measure of each angle.
(6h+2)+(-7h-8) simplify?
Identify the defining characteristics of collective action. Defining Characteristic(s) It aims at social change. Press Space to open It runs counter to applicab
Convert 1060 mm Hg to atm. (answer should include 3 sig. fig and NO LABEL)
round to the nearest hundreth
Consider a standard deck of 52 cards (13 cards each in 4 suits, clubs, spades, diamonds and hearts). What is the probability of picking out 5 cards in a row whi
The width of the desk is 7 in. The perimeter of the desk is 63 in. What is the length of the desk?
what is required when opening up a checking account? A. copy of your last paycheck. B. initial deposit. C. salary. D. credit card.
A plant bends toward the light source on the right. What is the best explanation? A. The light stimulates growth on the right side compared to the left, and t