Using trig ratios

• x = 11.4

• x= 10.5

• x = 9.8

• y=31.2

• y=31.4

• y=31.8

• s= 13.3

• s=13.9

• s=11.3

Use the Cos^-1 function on your calculator to find Ɵ:

Cos Ɵ=3/10

• 71.5

• 72.5

• 73.5

Use the Cos^-1 function on your calculator to find Ɵ:

Cos Ɵ=3/7

• 46.6

• 45.6

• 64.6

Use the Sin^-1 function on your calculator to find Ɵ:

Sin Ɵ=7/10

• 44.4

• 24.4

• 34.4

Use the Sin^-1 function on your calculator to find Ɵ:

Sin Ɵ=0.12

• 16.9

• 6.9

• 14.62

Use the tan^-1 function on your calculator to find Ɵ:

tan Ɵ=1/2

• 24.5

• 26.6

• 12.1

Use the tan^-1 function on your calculator to find Ɵ:

tan Ɵ=0.8

• 38.7

• 23.7

• 48.7

Use the sine ratio to work out the missing angle