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 :

caylus
caylus caylus
  • 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

Explain why a linear function may not be adequate for describing the supply and demand functions.
What are the three territories of canada?
Is a butterfly a consumr or a producer
Find the missing length of x
What is equivalent to 4 7? what is the answer i don't understand?
A patient needs to take 625 mg of ibuprofen twice daily. The pills in the bottle are each 250. mg. How many pills does the patient need to take each time she wa
What is the combined weight of the 1/2 lb bags of trail mix?
Example of demand in economics.
Translate the phrase; then simplify. Find the quotient of -32 and 4:
if a person walks 2.4 miles in 1.5 hours, how far can he walk in 3 hours