Question

sin°=12/13 then value of cos°​

Answer 1

Answer:

5/13

Step-by-step explanation:

the explanation is given in the uploaded photo. Hope it helps you

Answer 2

Answer:

cos° = 0.384

Step-by-step explanation:

(sin°)^2 + (cos°)^2 = 1

(12/13)^2 + (cos°)^2 = 1

144/169 + (cos°)^2 = 1

(cos°)^2 = 1 - 144/169

(cos°)^2 = 169 - 144 / 169

= 25/169

(cos°) = 5/13

= 0.384