Does anyone know how to solve this hard question without using a calculator

Does Anyone Know How To Solve This Hard Question Without Using A Calculator

Answers

Answer 1

Answer:

(square root of 2)/2

Explanation:

3pi/4 is located in the second quadrant, so the value will be positive for Y. Other than that it is just the unit circle.


Related Questions

Suppose a time series of size 50 follows x = #+2-24 process, where 2 - WWW.1). 20., =0 1. k=0 = 0.157, 3-0, k=1 and k=1 10 otherwise 2 0 otherwise (a) Calculate the variance of the estimated mean for x, (4)

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Answer:

6

Explanation:

mean is 4 and k is 1 and k is 10 akdgdoskdhs sjsyd s djd djsvs shef3 rbjd d ene rce so sweet sn r dvd dhr d d dv did d d scd d d discs jd s d d dje e e e eb e ebe rbrhr rnrcensjd subscribe de j2bekeks cesena eh3jevkeevibkevieebv3ejhreiebeuekb3geiek2eveyeoebsoso

Explain the impact of non-verbal cues/body language and signals on audience

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Answer:

keeps your audience engaged ,make you beliveable, and opens up communication

How to solve this without a calculator

Answers

Answer:

Unit Circle

Explanation:

You can memorize the values of sin/cos/tan by memorizing the unit circle values. The answer to this problem is c.

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