Answer:
The answer is tan²Ф + 1 = sec²Ф
Step-by-step explanation:
∵ sin²Ф + cos²Ф = 1 ⇒ ÷ cos²Ф both sides
∴ sin²Ф/cos²Ф + cos²Ф/cos²Ф = 1/cos²Ф
∵ sin²Ф/cos²Ф = tan²Ф
∵ 1/cos²Ф = sec²Ф
∴ tan²Ф + 1 = sec²Ф
A little washer on wine cap
Answer:
D. 42
Step-by-step explanation:
Answer:
160.381
Step-by-step explanation:
2/3h−1/3h+11=8
1/3h = -3
h = -3(3)
h = - 9