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}}

Basic Trigonometric Identities: Pythagorean Identities and Cofunction Identities

62,859 views

Professor Dave Explains

Video Language:

  • English

Caption Language:

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

Accent:

  • English (US)

Speech Time:

80%
  • 4:22 / 5:25

Speech Rate:

  • 126 wpm - Conversational

Category:

  • Education

Tags :

Intro:

Special thanks to The Free Dictionary for providing us with the information used in this web page

Video Vocabulary

because

/bēˈkəz/

because
conjunction

For a reason.

professor

/prəˈfesər/

professor
noun

Teacher who teaches at a college or university.

theorem

/ˈTHēərəm/

theorem
noun

general proposition not self-evident but proved by chain of reasoning.

express

/ikˈspres/

express
adjective noun verb

Traveling at high speed. Fast train or bus. To state or show what you think or how you feel.

tangent

/ˈtanjənt/

tangent
adjective noun

Line of thought that is not related. Line or curve meeting another line or curve.

another

/əˈnəT͟Hər/

another
adjective determiner pronoun

One more, but not this. used to refer to additional person or thing of same type as one. additional person or thing of same type.

products

/ˈprädəkt/

products
noun other

manufactured article or substance. Items that can be bought.

distribute

/dəˈstribyo͞ot/

distribute
verb

To hand out or give to people.

definition

/ˌdefəˈniSH(ə)n/

definition
noun

Explanation of word's meaning, as in dictionaries.

cotangent

/kōˈtanjənt/

cotangent
noun other

(in right-angled triangle) ratio of side other than hypotenuse adjacent to particular acute angle. Ratio of the adjacent to the opposite side of a right-angled triangle.

quantity

/ˈkwän(t)ədē/

quantity
noun

A large amount of something.

adjacent

/əˈjās(ə)nt/

adjacent
adjective

next to or adjoining something else.

exponent

/ikˈspōnənt/

exponent
noun

Person who exemplifies an art movement, etc..

rewrite
rewrite
noun verb

instance of rewriting something. write something again so as to alter or improve it.

reciprocals

/rəˈsiprək(ə)l/

reciprocals
noun other

expression or function so related to another that their product is unity. .

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