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

Using the graph below, calculate the average rate of change for f(x) from x = 0 to x = 2.

10Read the sentence.Hearing the key in the lock, the delighted dog dashed tothe front door.TIME REMAINING02:48:04How is the underlined prepositional phrase used

Question 6 Fill in the blank with the correct form of the verb in the conditionnel tense : Je __________ dans un restaurant chic si j’allais à Paris. (manger)

Polygon ABCDE rotates 45° clockwise about point F to produce polygon FGHIJ as shown. What is mBCD?

whats part of the brains system?

which one of the following phrases indicates that a contrast is being made

he asks what size i wear

what is meant by a megalopolis

Maps frequently include a grid system to pinpoint the location of a place. A. True B. False

whats part of the brains system?