joannavalladares752 joannavalladares752

01-06-2021
Mathematics

contestada

The Pythagorean Identity states that:
(sin x)2 + (cos x)2 = 1
Given sin 0 = 73, find cos 0.
27
cos 6 = 2
Simplify the fraction.

$The Pythagorean Identity states that sin x2 cos x2 1 Given sin 0 73 find cos 0 27 cos 6 2 Simplify the fraction class=$

Respuesta :

abidemiokin abidemiokin

06-06-2021

Answer:

1/2

Step-by-step explanation:

According to pythagoras theorem;

(sinx)²+(cosx)² = 1

Given that sinФ = √3/2

Substitute into the formula

(√3/2)²+(cosx)² = 1

3/4+(cosx)² = 1

(cosx)² = 1 - 3/4

(cosx)² = 1/4

cos x = √1/4

cos x = 1/2

Hence the value of cosФ is 1/2

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