mustafakhalil02 mustafakhalil02

02-02-2020
Mathematics

contestada

Quick need help ASAP 100 points

If sin(Ф)= -3/4 and π<Ф<3π/2, what is tan(Ф)

Respuesta :

surjithayer10otahza surjithayer10otahza

03-02-2020

Answer:

Step-by-step explanation:

sinФ=-3/4

cosec Ф=-4/3

cosec² Ф-cot² Ф=1

cot²Ф=cosec² Ф-1

cot² Ф=(-4/3)²-1

=(16/9)-1

=7/9

tan² Ф=9/7

tan Ф=3/√7

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