Answer: see proof below
<u>Step-by-step explanation:</u>

Use the following Identities:
sec Ф = 1/cos Ф
cos² Ф + sin² Ф = 1
<u>Proof LHS → RHS</u>






Answer: Our required answer will be

Step-by-step explanation:
Since we have given that

We need to get the difference:
1) We first open the second bracket and make appropriate change in signs :

2) Gather the like terms together :

Hence, our required answer will be

Answer:
x=−4
Step-by-step explanation:
5(x+1)=3(x−1)
5x+5=3(x−1)
Answer:
false
Step-by-step explanation:
Answer:
24 rows
Step-by-step explanation:
348 divided by 16 is 24. Hope this helps!