多くの人間にとって三角関数を学ぶことは無意味であるように思える。

Sentence Analyzer

多く 人間 にとって 三角 関数 学ぶ こと 無意味 ある ように 思える

English Translation

I think that for many people learning the trigonometric functions is meaningless.

Furigana

(おお)くの人間(にんげん)にとって三角(さんかく)関数(かんすう)(まな)ぶことは無意味(むいみ)であるように(おも)える。

Romanji

Ōku no ningen nitotte sankaku kansū o manabu koto wa muimi de aru yōni omoeru.

Words

多く (おおく)
many; much; largely; abundantly; mostly
()
indicates possessive; nominalizes verbs and adjectives; substitutes for "ga" in subordinate phrases; (at sentence-end, falling tone) indicates a confident conclusion; (at sentence-end) indicates emotional emphasis; (at sentence-end, rising tone) indicates question
人間 (にんげん)
human being; person; man; mankind; humankind; character (of a person)
に取って (にとって)
to; for; concerning; as far as ... is concerned; regarding
三角 (さんかく)
triangle; triangular
関数 (かんすう)
function (e.g. math, programming, programing)
()
indicates direct object of action; indicates subject of causative expression; indicates an area traversed; indicates time (period) over which action takes place; indicates point of departure or separation of action; indicates object of desire, like, hate, etc.
学ぶ (まなぶ)
to study (in depth); to learn; to take lessons in
(こと、こん)
thing; matter; incident; occurrence; event; something serious; trouble; crisis; circumstances; situation; state of affairs; work; business; affair; after an inflectable word, creates a noun phrase indicating something the speaker does not feel close to; nominalizing suffix; pretending to ...; playing make-believe ...; alias; aka; nickname; alternative name; also known as
()
topic marker particle; indicates contrast with another option (stated or unstated); adds emphasis
無意味 (むいみ)
nonsense; no meaning; meaningless
()
be; is; indicates past or completed action; indicates light imperative
(ある)
a certain ...; some ...
様に (ように)
in order to (e.g. meet goal); so that; take care (so as); hoping or wishing for something
思える (おもえる)
to seem; to appear likely

Kanji

Readings: タ、 おお.い、 まさ.に、 まさ.る
Meanings: many, frequent, much
Readings: ジン、 ニン、 ひと、 -り、 -と
Meaning: person
Readings: カン、 ケン、 あいだ、 ま、 あい
Meanings: interval, space
Readings: サン、 ゾウ、 み、 み.つ、 みっ.つ
Meaning: three
Readings: カク、 かど、 つの
Meanings: angle, corner, square, horn, antlers
Readings: カン、 せき、 -ぜき、 かか.わる、 からくり、 かんぬき
Meanings: connection, barrier, gateway, involve, concerning
Readings: スウ、 ス、 サク、 ソク、 シュ、 かず、 かぞ.える、 しばしば、 せ.める、 わずらわ.しい
Meanings: number, strength, fate, law, figures
Readings: ガク、 まな.ぶ
Meanings: study, learning, science
Readings: ム、 ブ、 な.い
Meanings: nothingness, none, ain't, nothing, nil, not
Reading: 
Meanings: idea, mind, heart, taste, thought, desire, care, liking
Readings: ミ、 あじ、 あじ.わう
Meanings: flavor, taste
Readings: シ、 おも.う、 おもえら.く、 おぼ.す
Meaning: think