Given that tan(α)=−7/6 with π/2

1. Given that tan(α)=−7/6 with π/2<><π, give="" an="" exact="" answer="" for="" the="">
   
   
   
   
   
   
   a.sin(α/2)=


2. b.cos(α/2)=


3. c.tan(α/2)=)=

2.Given that cos(β)=7/9 with 3π/2<><2π, give="" an="" exact="" answer="" for="" the="">

a.sin(β/2))=

b.cos(β/2)=

c.tan(β/2)=

1. 
   
   
   
   
   
   • Decimal approximations are not allowed for this problem
   
   
   • .Enter your answer in exact form.
   
   
   • Use “sqrt( )” to represent √