Answer:
5, -2 (I think)
Step-by-step explanation:
Screenshots below, hope they help '-'
Special cases of the sum and difference formulas for sine and cosine yields what is known as the double‐angle identities and the half‐angle identities.
Answer:
a. 28/50
d. 10/52
e. 52/52
Step-by-step explanation:
a. half of deck is black add the two red jacks
d. all of even card (2,4,6,8,10 times 2 because 2 blacks per colour)
e. all cards are either red or black
Answer:
New products glass mirrors, cotton, rice.
Mirror was not made in Europe until 17th century but was part of Muslim culture in the 8th century.