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

Which fraction is NOT equivalent to the point shown on the number line?

Solve the equation for x. - 1/2 x - 3 = 4

open this pic and I'll give brainliest answer

.If 65+5y = 82, 3x +23= 54 and 5z +43= 110, find 3x+ 5y +5z

Why might a person be tempted to plagiarize or cheat?

Dearborn owns a department store that has a $45,700 balance in Accounts Receivable and a $3,000 credit balance in Allowance for Doubtful Accounts. 1. Determine

The bar graph in the following graphic represents fictional net exports in billions of dollars for five countries. Net exports are obtained by subtracting total

Cancer is: unregulated cell division in the body. regulated cell division in the body. a lineage of genetically identical individuals or cells. a mass of cells

Emily owns a house with a fair market value of $189000. When she purchased the home she paid $211000, but that was several years ago. She currently owes $195000

A serving of Frosted Flakes cereal contains 235,000 J of energy. Calculate the change in temperature (ΔT) that would occur if this food was used to heat 1,000 g