By Levels

Library

EXP: 08888
HITS: {{lyricTraining.hits}}888
STREAKS: {{lyricTraining.streaks}}888
TIME: {{lyricTraining.timeout / 1000}}88
{{word.word}}

{{cue.translated_text}}

{{lyricTraining.hint}}

x{{playblackSpeed.toFixed(2)}}

Loading ..

Not Found

{{annotation.word}} ({{annotation.pos_simplify}})

/{{annotation.phonetic}}/

{{annotation.translation}}

{{annotation.name}}

{{annotation.sub_type}}

{{annotation.definition}}
Back

Games & Quizzes

Training Mode - Typing
Fill the gaps to the Lyric - Best method
Training Mode - Picking
Pick the correct word to fill in the gap
{{game.name}}
{{game.description}} Requires {{game.required_annotions}} vocabulary annotations

Congratulations! You gained {{totalPoint}} XP

You may need to watch a part of the video to unlock quizzes

Don't forget to Sign In to save your points

Repeat Skip ({{game.question_index}}/{{game.questions.length}})
{{part}}
Repeat Skip ({{game.question_index + 1}}/{{game.questions.length}})
{{choice.text}}
{{choice.text}}

Make correct pairs from two columns

{{lyricTraining.finished && lyricTraining.timed_out ? 'Timed Out' : 'Challenge Accomplished'}}

PERFECT HITS {{lyricTraining.stats.PERFECT_HITS}} +{{lyricTraining.stats.PERFECT_HITS * 20}}
HITS {{lyricTraining.stats.HITS}} +{{lyricTraining.stats.HITS * 10}}
LONGEST STREAK {{lyricTraining.stats.LONGEST_STREAKS}} +{{lyricTraining.stats.LONGEST_STREAKS * 10}}
REMAINING TIME {{lyricTraining.timeout / 1000}}s +{{lyricTraining.timeout / 1000}}
TOTAL +{{lyricTraining.exp}}
{{word.word}} - {{dictionary.definition[0].phonetic || ("/" + dictionary.phonetics +"/")}} - {{word.translation}}

We couldn't find definitions for the word you were looking for.
Or maybe the current language is not supported

{{simpleDefinition.pos}}

{{simpleDefinition.def}}

{{word.word}}

Sentences & parts of speech:

  • {{tag.normal}} {{tag.pos_name}}

  • {{c.startTime | duration}}


    {{c.translated_text}}

All {{pos.pos_simplify}}
{{a.word || a.name}}
/{{a.phonetic}}/
{{a.type || a.sub_type}}
{{a.translation}} 		{{a.definition}}

Formulas for Trigonometric Functions: Sum/Difference, Double/Half-Angle, Prod-to-Sum/Sum-to-Prod

49,516 views

Professor Dave Explains

Video Language:

  • English

Caption Language:

  • {{captionLanguage | language_name}} ({{captionLanguage}})

Accent:

  • English (US)

Speech Time:

89%
  • 8:26 / 9:28

Speech Rate:

  • 147 wpm - Conversational

Category:

  • Education

Tags :

Intro:

Video Vocabulary

tutorial

/t(y)o͞oˈtôrēəl/

adjective noun

relating to tutor or tutor's tuition. A lesson given to a small group.

derivations

/ˌderəˈvāSH(ə)n/

noun other

action of deriving something from source. Sources or origins from which some things derives.

valuable

/ˈvaly(o͞o)əb(ə)l/

adjective noun

worth great deal of money. thing that is of great worth,.

instead

/inˈsted/

adverb

When one thing is replaced by another.

functions

/ˈfəNG(k)SH(ə)n/

noun other verb

activity natural to or purpose of person or thing. Mathematical operations used in calculations. To be operating, working or achieving its purpose.

combine
noun verb

group acting together commercially. To mix several things together to form one thing.

probably

/ˈpräbəblē/

adverb

That is likely to happen or be true.

precise

/prəˈsīs/

adjective

(Of language details etc.) Very accurate and exact.

difference

/ˈdif(ə)rəns/

noun verb

way people or things differ. alter coat of arms.

formulas

/ˈfôrmyələ/

noun other

mathematical relationship in symbols. Plans, rules or methods for doing or making some things.

quarter

/ˈkwôrdər/

noun verb

3-month period of time for businesses, etc.. To give a soldier a place to live for a short time.

twelfths

/twelfTH/

number other

constituting number twelve in sequence. 1/12s.

multiplying

/ˈməltəˌplī/

verb

To increase something by a large quantity.

important

/imˈpôrtnt/

adjective

Having power or authority.

memorized

/ˈmeməˌrīz/

verb

To study something so that you remember it.

Q
W
E
R
T
Y
U
I
O
P
A
S
D
F
G
H
J
K
L
Z
X
C
V
B
N
M