Question

sin+cos=1.4 then sin×cos=​

Answer 1

Answer:

0.48

Step-by-step explanation:

sin+cos=1.4  ⇒ (sin+cos)^2 = 1.96

                    ⇒ sin^2 + cos^2 + 2sincos = 1.96

                    ⇒ 1+2sincos = 1.96

                    ⇒ sincos = 0.48