yuryur0061 yuryur0061

08-02-2020
Mathematics

contestada

Find cos(π/3 + a), where sin(a) = (1/√3), and 0

Respuesta :

kirankumari191175 kirankumari191175

08-02-2020

Answer:

answer is (1/2) when a=0

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dillonliyanage dillonliyanage

08-02-2020

Answer:

a= approx 35.2644

cos(pi/3+a)= approx 0.999998973

Step-by-step explanation:

solve for sin(a)

sin a = (1/sqroot of 3)

arcsin sin(a) = arcsin(1/sqroot of 3)

a= arcsin(1/sqroot 3)

a=approx 35.2644

now substitute a into the cos formula

Answer Link

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