lesliecerdaa lesliecerdaa

07-04-2020
Mathematics

contestada

PRECALC!!! The angle θ(1) is located in quadrant I, and sin(θ1)= 17/20. what is the value of cos(θ1)

PRECALC The angle θ1 is located in quadrant I and sinθ1 1720 what is the value of cosθ1 class=

Respuesta :

amna04352 amna04352

07-04-2020

Answer:

sqrt(111)/20

Step-by-step explanation:

cos²(theta) = 1 - sin²(theta)

= 1 - (17/20)²

cos²(theta) = 111/400

Since it's in the first quadrant, take the positive root

cos(theta) = sqrt(111)/20

sqrt: square root

Answer Link

Otras preguntas

Explain why the triangles are similar. Then, find the value of x.

Identify which items belong on the income statement. multiple choice Accounts receivable, net income, and dividends Revenue, expenses and net income Cash, acco

How does good nutrition enhance and maintain personal health throughout life?

What percent of 100 is 14

What is the second step when evaluating the expression 18 = (24 - 18) + 3-1? 18 = 6 O 24 - 18 -18 + 3 3-1

Q 2. how did construction of temples or mosques help a king establish power over people ? please this answer

Due to an economic downturn, a company had to decrease its staff from 400 employees to 112 employees. What was the percentage decrease in staff?

Pls help me do this q

6(2+y)=3(3-y) Can someone help me out with this?

A sample size of n= 20 is a simple random sample selected from a normally distributed population. Find the critical value ta/2 corresponding to a 95% confidence