Let be the nth Chebyshev Polynomial.
If , then find the value of .
Find the value of the summation above where : all the prime numbers between 2 and 11, together with 1.
Evaluate the product above.
Given that the above is equal to where a is a prime number, find .
Inspired by this problem when I solved it in 3 steps... All of which were wrong, but somehow I got the right answer.
If is a prime number larger than 3, then find the value of the expression above.
Evaluate
The angle is given in degrees.