Question

In triangle abc angle c=90 then sin(a-b)=?





PLZ HELP ME !!!!!!!!!!!!!!!!!!!!!!

Answer 1

Answer:

g(90)+80-(77)=76.84365

Answer 2

Answer:

Let y=sinA.sinB

Now given ∠C=90

0

=>A+B=90

0

⇒y=sinA.sin(90

0

−A)=sinA.cosA=

2

1

sin2A

Hence maximum value of y is

2

1