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

Many people think that a person with a mental disorder is weak, dangerous, and incurable. Explain why these are not common characteristics in those with mental

Solve, graph and give the solution in interval notation 3x+6<12

What is the least number of colors you need to correctly color in the sections of the pictures so that no two touching sections are the same color?

9. A college financial advisor wants to estimate the mean cost of textbooks per quarter for students at the college. For the estimate to be useful, it should ha

What is the volume of the following rectangular prism? the height is 5 and 1/4 and the base is 8

May someone please explain what a central tendency is I do not understand what it exactly means

Which best describes the relationship between the lines with equations 5x +y = 4 and 20.0 + 4y = 16?

Find the mean absolute deviation (MAD) of the data in the bar chart below.

¿Cuál no es un ejemplo de tapas de España?aceitunasquesoalbóndigascalamarespizzasalami

He let me eat a mamango (into passive)