kierragonz23 kierragonz23

01-05-2018
Mathematics

contestada

If sin θ = 3 over 7 and tan θ < 0, what is the value of cos θ? (1 point)

Respuesta :

riyanandola riyanandola

01-05-2018

Answer:

−45

Explanation:

Since tan(θ)=34>0 and sin(θ)<0, θ is in quadrant 3 (since tan(θ)>0 iff θ is in quadrant 1 or 3 and sin(θ)<0 iff θ is in quadrant 3 or 4).

cos(θ) must then be negative.

Answer Link

Otras preguntas

what is the answer to 8c=5c+21

Need help, “Find the volume of each rectangular prism. Round to the nearest tenth if necessary.” 1) The base of a rectangular prism has an area of 19.4 square m

Make a case for the removal of Native Americans from the Western Plains to reservations.

how many inches are in 13 and a half feet

A reason economic systems like sharecropping and the crop-lien system came to be was due to changes in the plantation system. What were they?

What evidence is there that the present Day continents were once a single landmass?

how many wars did edward I win

The question says, A baseball player reaches first base 30% of the times he is at bat. Out of 50 times at bat, about how many times will the player reach first

6x-5y=22 y=-8 using systems of equations by substitution

What is the answer to this , 6.6=w-1.2 w=