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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:

Video Vocabulary

because

/bēˈkəz/

conjunction

for reason that.

professor

/prəˈfesər/

noun

university academic of highest rank.

theorem

/ˈTHēərəm/

noun

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

express

/ikˈspres/

adjective noun verb

Sent by a fast mail service. Fast train or bus. convey thought or feeling.

tangent

/ˈtanjənt/

adjective noun

(of line or plane) touching, but not intersecting, curve or curved surface. Line or curve meeting another line or curve.

another

/əˈnəT͟Hər/

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/

noun other

manufactured article or substance. Items that can be bought.

distribute

/dəˈstribyo͞ot/

verb

To send products to stores to sell.

definition

/ˌdefəˈniSH(ə)n/

noun

The sharpness of an image on a screen.

cotangent

/kōˈtanjənt/

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/

noun

Amount or number of something.

adjacent

/əˈjās(ə)nt/

adjective

Being close or near to a border, wall, or point.

exponent

/ikˈspōnənt/

noun

supporter of idea or theory.

rewrite
noun verb

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

reciprocals

/rəˈsiprək(ə)l/

noun other

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

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