Prove the identity.cos2  = 

What will be an ideal response?


cos2   = 2Using the half-angle identity
  =  
  =  ? 
  =  
  =  

Mathematics

You might also like to view...

Solve the differential equation.x2  = 8y

A. y = Ce- 8/x
B. y = Ce8/x
C. y = Ce- 8x
D. y = -  + C

Mathematics

Determine whether the vectors  and  are equivalent.A(-8, -9), B(-5, -16), C(0, 0), and D(3, -25) 

A. Not equivalent B. Equivalent

Mathematics

Solve.Which of the pairs of numbers whose sum is 88 has the largest product?

A. 36 and 52 B. 34 and 54 C. 43 and 45 D. 44 and 44 

Mathematics

Rewrite the series using summation notation. Use 1 as the lower limit of summation.6 +  +  + . . . + 

A.
B.
C.
D.

Mathematics