samsharon2001 samsharon2001

04-08-2016
Mathematics

contestada

Given that cos 160= -q, express each of the following in terms of q:

a) cos 20
b) sin 160
c) tan(-20)
d) cos 70

Respuesta :

04-08-2016

Hello,

cos 160°=-q

cos 20°=-cos 160°=q

sin 20°=√(1-q²)=sin 160°

tan -20°=tan 160=√(1-q²)/-q

cos 70°=sin 20°=√(1-q²)

Answer Link

Otras preguntas

you measure or observe two events to occur at the same time one nearby and one further away. Which one did you actually see first?

How do scientists use seismic waves to determine the interior structure of Earth?

Which of the following statements is true concerning LUCA? (1) LUCA was a cell. (2) All life on Earth evolved from LUCA. (3) LUCA probably existed probably arou

Why was is difficult for the Arab people to form one nation?

Find the value of x. Round to nearest hundredth if necessary.

An airplane travels 3,260 kilometers in 4 hours. What is the airplane’s average speed?

which state of matter has the least amount of energy?

Determine whether the sequence coverage or diverges. If it converges, give the limit. 48, 8, 4/3, 2/9, ...

The height of a rectangular prism with a 20 cm by 12 cm base and a 30 cm diagonal.find the unknown dimension

Alicia estimates that the surface area of a rectangular prism with a length of 11 meters,a width of 5.6 meters,and a height of 7.2 meters is about 334 cubic met