PREVIEW

... /p>

(2) Which one of the following expressions is equivalent to sin (A+B)?

① sin A + cos B

② sin A - cos B

③ sin A cos B

④ sin A cos B + cos A sin B

Himeji Mizuki's Answer:

(1) X = π/6

(2) ④

Teacher's Comment:

That's right. You can write the angle with the symbol π instead of °. Your answer is perfect.

Tsuchiya Kouta's Answer:

(1) X = probably 3

Teacher's Comment:

I think you're trying to ...

YOU MAY ALSO LIKE
She Is From The CountrysideChapter 624
 6.7k
4.0/5(votes)
RomancePsychological

A 19-year-old young lady came to the Jiang family, a prominent family in Sea City. Rumors had it that she rescued the Jiang family’s madame many years ago in the countryside. After she enrolled at Sea City University, the madame took her to the Jiang family’s residence before school started, claiming to familiarize the lady with Sea City’s environment.

It was said that that the young lady was an orphan who grew up in the countryside. However, she carried herself in a manner that befitted a rich young lady from a prestigious family, more so than the real rich young ladies.

It was said that the young lady had not seen the world and was not presentable. However, she maintained her composure in front of the bigshots from all walks of life. She maintained a proper smile that made people look askance.

It was said that the young lady was brought home by Old Madame Jiang to be Young Master Jiang’s wife.

It was said that the young lady came from too humble a background and was not fit to marry into the Jiang family.

It was said that the young lady fell in love with the young master of the Jiang family at first sight, but the young master of the Jiang family did not care about her at all.

First meeting.

She sat by the lotus pond in the Jiang family mansion as she read a book.

Even though she was in a simple outfit of a white T-shirt matched with black pants, he saw the charm of a beautiful lady.

She exuded the aura of a young lady.

First meeting.

Her book fell. He called after her.

She turned around after hearing him.

At that moment, she suddenly understood what “a man as beautiful as jade” meant.

He was a bright gentleman who was as gentle and beautiful as jade; she was an elegant young lady, reserved and upright.

If someone asked her what her greatest gain in coming to Sea City was, she would answer without hesitation, “Meeting him.”

If someone asked him what his greatest gain in staying in Sea City was, he would answer without hesitation, “Meeting her.”

Transmigration: A Farm Girl's BrocadeChapter 812: Side Story Six, Unfinished (Complete)_3
 4.4k
4.9/5(votes)
HistoricalRomance

Having transmigrated into a little farmer girl, her father passed and her mother turned crazed. Facing a frail household, Qian Yixiu remained calm, her rise relied on strength, and also on the luck she had when being a “ghost”.Together with her younger brother, she strived to build wealth with one hand and protect her beauty with the other...

Moonlight BetrayalChapter 120
 472
4.5/5(votes)
FantasyAdultRomanceMystery

Astrid dedicated her life to Leon, believing in their love, their pack, their future. But the devastating return of her sister, Clara, as Leon's destined mate, shatters Astrid's carefully constructed world. Betrayal cuts deep, leaving Astrid stripped bare and forced to confront a horrifying truth: her loyalty was misplaced, her sacrifices meaningless.Just as despair threatens to consume her, Kaeleen, a magnetic and rebellious Alpha from a rival pack, storms into her life, igniting a forbidden passion that challenges everything she thought she knew. He offers her a chance to escape the suffocating control of her past, to claim a life of her own, a life where she is the priority.But Leon won't relinquish his prize so easily. Obsessed and dangerously possessive, he unleashes a storm of violence and manipulation, determined to drag Astrid back into the darkness. Now, Astrid must make a desperate choice: succumb to the chains of her past, or embrace the dangerous allure of a love that could save her... or ignite a war that will consume them all.

Living Only For Myself: Make Those Who Hate Me Regret ItChapter 226: Xu Su, You Know Exactly How to Make Me Angry
 1.6k
3.5/5(votes)
RomanceSchool LifeSlice Of Life

【Male Lead = Unhinged and Possessive + King of Jealousy + Model of Male Virtue + Aloof Beauty + Love at First Sight】【Female Lead = A Bit of a Drama Queen + Heart Sealed with Cement + Loves to Study + Calm and Rational + Beautiful and Holds Grudges】In the tenth year of being trapped by Zhou Mochen's side, Xu Su is reborn.Upon waking, she discovers she has returned to the summer vacation before her third year of junior high.At this time, Zhou Mochen has not yet appeared, the only person who cared for her—her grandmother—is still alive, and there is still time to remedy all regrets.Xu Su takes out her little notebook and writes down life's new rules:Regarding places where she might encounter Zhou Mochen—stay away.Regarding her parents from her past life who favored sons over daughters—escape her original family as soon as possible.Regarding her grandmother who died without dignity after a decade of hemiplegia—do not let the tragedy repeat; let her grandmother live out her golden years in peace.And the one thing she regretted most of all, her education—get into her dream university.In this life, all she wants is to study hard and improve herself every day.