Answer:
C. Indirect Proof
Step-by-step explanation:
There are two methods of indirect proof: proof of the contrapositive and proof by contradiction. 
 
        
             
        
        
        
Does anyone wanna help me with something ill give u bloxburg (from ro _blox) money if u know how to do it!And yes it’s math Oudh
        
             
        
        
        
Answer:
Option A.
Step-by-step explanation:
It is given secθ = - 
then cosθ = -
Now we know the identity 
sinθ = 
        = 
        = 
Now sin2θ = 2sinθcosθ
Now we put the values of cosine and sine in the formula
sin2θ = 2×(- )(
)( )
)
          = -
Therefore, option A. is the answer.
 
        
             
        
        
        
Answer:
a) 
b) 
Step-by-step explanation:
Given Data:
Interest rate= per year
  per year
No. of years= 
 
Rate of continuous money flow is given by the function
 
 
a) to find the present value of money

Put f(t)=2000 and n=10 years and r=0.08

Now integrate







(b) to find the accumulated amount of money at t=10

Where P is the present worth already calculated in part a



