The point (3, -4) is on the terminal side of an angle Θ . What is cos Θ

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04-04-2018
Mathematics

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The point (3, -4) is on the terminal side of an angle Θ . What is cos Θ

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Professor1994 Professor1994 · Answer 1 · 2018-04-04T04:49:31+02:00

Professor1994 Professor1994

04-04-2018

Point=(3,-4)=(x,y)→x=3, y=-4
cos Θ=?

cos Θ=x/r

r=sqrt(x^2+y^2)
r=sqrt( (3)^2+(-4)^2 )
r=sqrt( 9+16)
r=sqrt(25)
r=5

cos Θ=x/r
cos Θ=3/5

Answer: cos Θ=3/5

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dhevannnyahhh dhevannnyahhh · Answer 2 · 2021-05-24T08:32:40+02:00

dhevannnyahhh dhevannnyahhh

24-05-2021

Answer:

D.) 3/5

Explanation:

PLATO

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