★ Formula Applied :




★ Explanation :

Lets use substitution method ,
Let , u = sin2x
⇒ du = 2.cos2x.dx





★ Alternate Method :




]

Answer:
"C"
Explanation:
The author used the setting by <em><u>establishing the tone and mood</u></em> of a Gothic Story.
Answer: I'm sorry but this is rather difficult to answer considering that we don't have your class, if you could specify what you have been learning or even if have a basic overall segment or module to share it would make it far easier and feasible to answer, thank you very much
Explanation: I need to know what you have been learning to help you cheat, especially in english.
The subject of the sentence is the beauty queen's ride