derrick67945 derrick67945

23-06-2017
Mathematics

contestada

In right ∆ABC, C is a right angle and sin A = 243/312. What is mB?

Respuesta :

scme1702 scme1702

29-06-2017

The sin of any given angle is:
sin(∅) = perpendicular / hypotenuse

The perpendicular of angle A will be equivalent to the base of angle B. Therefore,
Cos(B) = 243/312
B = Cos⁻¹(243/312)
B = 38.8°

The measure of angle B is 38.8 degrees.

Answer Link

Otras preguntas

the p= the number of plates on the table, which algebraic expression represents the phase

If a ray divides an angle into two complementary angles, then the original angle is a right angle

If f(x) = 3/x+2 -sqrt x-3. complete the following statement. Round to the nearest hundredths. f(7)=___

Solving proportions 6 over 2 = 4 over p

A model of a building was built to a scale of 1:65.5. One side of the model is 23 inches long. How long, in feet, is this side of the actual building? Round you

Can you help me?i can't figure out this question

____is a type of repetition in the sounds of individual words. Select all that applyalliterationassonanceconsonancedissonance

Nebuchadnezzar demanded that his wise men tell him both his forgotten dream and the interpretation of it. True or False

Consider the region bounded by the curves y=|x^2+x-12|,x=-5,and x=5 and the x-axis A. Set up a sum of integrals, not containing an absolute value symbol,th

How to clear cache in Internet Explorer Version 11