pkeller pkeller

21-09-2018
Mathematics

contestada

What is the exact area of triangle with measures a=6 b=7 and cos C= 1/4

Respuesta :

grujan50 grujan50

21-09-2018

The area of the triangle is A= (1/2)absinγ

(sinγ)Λ2+(cosγ)Λ2=1 => sinγ=√1-(cosγ)∧2= √1- (1/4)∧2=√1-(1/16)=√(15/16)=√15/4

A=(1/2)*6*7*√15/4=21*√15/4=(21/4)√15

Good luck!!!

Answer Link

Otras preguntas

In “The Outsiders”, what can Ponyboy never do?

Two lines meet at a point that is also the vertex of an angle. Set up and solve an appropriate equation for and .

What type of chart would you use to track a patient's growth over time in comparison to normalized data? O A. Bar graph O B. Pie chart O C. Table D. Line graph

What is the probability of a customer buying a vegetable that is not an onion at this store? 79% 81% 90% 19%

In a survey of 1,800 people who owned a certain type of car, 810 said they would buy that type of car again. What percent of the people surveyed said they were

Question 1 (30 points) Romeo insists that he cannot leave because his stays with Juliet. Benvolio and Mercutio are looking for but they cannot find him. insists

Plsssssss hellllp meeeeee plsss

Identify the logic error in the code below. The code is supposed to display a single message “child”, “adult” or “senior” for any value of age: if (age < 18

Who encouraged African Americans to rebel and overthrow slavery by force?

use the order of operations to evaluate the expression 4×(3/4 - 1/2) +3×6