Prove the identity.tan
= 
What will be an ideal response?
Using the sum identity,
tan
= 
.
Since tan
= -1, then
tan
= 
= 
.
Mathematics
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Solve the problem.Within a group of n people, the number of possible handshakes, N, is given by N = 
(n2 - n). How many handshakes are possible at a meeting if 30 people are present?
A. 420 B. 870 C. 435 D. 465
Mathematics
Decide whether the relation is a function.?
A. Function B. Not a function
Mathematics
Determine if the function is even, odd, or neither.f(x) = 2x3 - 4x2 + 3
A. Neither B. Odd C. Even
Mathematics
Solve and simplify.x + 
= 
A. x = 
B. x = 
C. x = 
D. x = 
Mathematics