If sin y° = 7 divided by q and tan y° = 7 divided by r, what is the value of cos y°?

cos y°= r divided by q
cos y° = 7r
cos y° = 7q
cos y°= q divided by r

Question

If sin y° = 7 divided by q and tan y° = 7 divided by r, what is the value of cos y°?

cos y°= r divided by q
 cos y° = 7r
 cos y° = 7q
 cos y°= q divided by r

theyadoreshayyy · Answer

attachment

jhonyy9 · Answer

how can you write tan using sin and cos ?

jhonyy9 · Answer

use this

$$\tan x = \frac{ \sin x }{ \cos x }$$

theyadoreshayyy · Answer

so how would i set it up ?

TyDaGreatest · Answer

I know I'm not supposed to do this but there is no way I can explain it

but the answer is A

jhonyy9 · Answer

@tydagreatest wrote:

I know I'm not supposed to do this but there is no way I can explain it but the answer is A

please give answer explained

TyDaGreatest · Answer

ok

jhonyy9 · Answer

$$\sin y = \frac{ 7 }{ q }$$

$$\tan y = \frac{ 7 }{ r }$$

jhonyy9 · Answer

@jhonyy9 wrote:

use this $$\tan x = \frac{ \sin x }{ \cos x }$$

replace these given details of sin y and tan y in this above wrote equation and calcule the cos y = ?

jhonyy9 · Answer

$$\tan y = \frac{ \sin y }{ \cos y }$$

jhonyy9 · Answer

$$\tan y = \frac{ 7 }{ r }$$

$$\sin y = \frac{ 7 }{ q }$$