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

a lunch bill including tax, is divided among you and 5 friends. everyone pays less than $8.75. write and solve an inequality that describes the total amount of

What is the creepiest sounding scale? What scale would u use for writing creepy music in other words

find the sum. write each mixed number in simplest form 4 7/8 + 5 1/4

josh wanted to buy a bicycle but didn't have enough money. After josh told his troubles to sam slick, sam said,"I can fix that. see that fence? each time you ju

What is the creepiest sounding scale? What scale would u use for writing creepy music in other words

The inner and outer Radii of a cylindrical pipe are 5 cm and 4 cm respectively. find the area of cross section of the pipe.

Factor the expression. If the expression cannot be factored, say so.

Thelma spent 1/6 of her weekly allowance on dog toys. 1/4 on a dog collar and 1/3 on dog food. What fraction of her weekly allowance is left

The ______ was established in 1943 to assist in the transition from a peacetime to a wartime economy ?

What were the contributions of the Harappan civilization?