bambamjojojoneoxetct bambamjojojoneoxetct

03-05-2018
Mathematics

contestada

What is the value of x?
sin(x+21)°=cos(2x+21)°

Respuesta :

calculista calculista

17-05-2018

we know that
if sin A=cos B
then
angle A and angle B are complementary angles
so
A+B=90°

in this problem
(x+21)+(2x+21)=90-------> 3x+42=90-------> 3x=48-----> x=16°

Answer Link

Otras preguntas

jay treaty signed in 1795 kept peace between great Britain and the United States although it did not address the issue of impressment of American sailors.which

Which of the following steps of the promotional planning process involves establishing the communication objectives?

Phosphorus and sulfur are returned to the soil primarily by the actions of A) producers. B) decomposers. C) primary consumers. D) pollution deposition.

Mr lopez must make a minimum of 48 circuits boards per day. On Wednesday he made 60 circuit boardsm qhar percent of the required minimum did he make?

can anyone help out with these answers

Decide which part of the quadratic formula tells you whether the quadratic equation can be solved by factoring. −b b2 − 4ac 2a Use the part of the quadr

the height of a school locker

need help filling in the blanks.. comparing depreciation methods.

General formula for double replacement reaction

What is the value of X in the equation X -3/4 equals five in 1/6