Problem 1 :
cos -210°
Problem 2 :
Problem 3 :
Problem 4 :
Problem 5 :
csc -420°
Problem 6 :
cos 1050°
Problem 7 :
cot -840°
Problem 8 :
Problem 9 :
sin -450°
Problem 10 :
sin 240°
Problem 11 :
csc π
Problem 12 :
Problem 13 :
sec -390°
Problem 14 :
cos -930°
1) -√3/2 2) -1/2 3) 0 4) undefined 5) -2√3/3 6) √3/2 7) √3/3 |
8) -√2 9) -1 10) -√3/2 11) undefined 12) 2 13) 2√3/3 14) -√3/2 |
Problem 1 :
Find the exact value of cos (7π/4)
Problem 2 :
Find the exact value of sin (-30°)
Problem 3 :
Find the exact value of cos (600°)
Problem 4 :
Find the exact value of sin (9π/2)
Problem 5 :
Find the exact value of tan (585°)
Problem 6 :
Find the exact value of cos (23π/6)
Problem 7 :
Find the exact value of cos (-11π/4)
Problem 8 :
Find the exact value of sin (-13π/4)
1) cos (7π/4) = 1/√2
2) -sin 30° = -1/2
3) cos 600° = -1/2
4) sin 810° = 1
5) tan 585° = 1
6) cos (23π/6) = √3/2
7) cos (-11π/4) = -1/√2 (or) -√2/2
8) sin (-13π/4) = 1/√2 (or) √2/2
May 21, 24 08:51 PM
May 21, 24 08:51 AM
May 20, 24 10:45 PM