Answer: I really don't know how to do this sorry
Step-by-step explanation:
Answer:
Step 1:
✔ Cofunction identity
Step 5:
✔ Sine difference identity
Step 6:
✔ Cofunction Identity
Step 7:
✔ Cosine function is even, sine function is odd.
Step-by-step explanation:
Cringe to fingernails on a chalkboard
Answer:
Total tape used by marge is 6 inches .
Step-by-step explanation:
As given
marge cut 16 pieces of tape for mounting pictures on poster board.

Total tape marge uses = Number of pieces × Each piece length

Total tape marge uses = 2 × 3
= 6 inches
Therefore the total tape used by marge is 6 inches .
Percentage increase = (increase) x 100 / original
Percentage increase = (5,800,000 - 5,000,000) x 100 / (5,000,000)
Percentage increase = 16%