Trig Identities Teachers

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					Home Assignment 6a1


Finish the Worksheet on
    “Trig Identities”
         # 1 – 30



 Copy today’s homework
   into your planner!
Find the # of Degrees and each
   of the 6 trig functions for:
        = 4 =
            3
    Sin  =      Cot  =
    Cos  =      Sec  =
    Tan  =      Csc  =
Pass in the drills on
trig functions. It is
worth 7 quiz points.
Home Assignment 6a1


Finish the Worksheet on
    “Trig Identities”
         # 1 – 30



 Copy today’s homework
   into your planner!
6a1: Proving Trig Identities

Objective: The student will
 prove Trig Identities.



    Copy the Objective on
     today’s worksheet!
            Trig Identities
               What letter is the
             numerator of this ratio?
Sin 
                What letter is the
            denominator of this ratio?
                              y
        r
                   y   sin 
        
         x
                              r
            Trig Identities
               What letter is the
             numerator of this ratio?
Cos 
                What letter is the
            denominator of this ratio?
                              x
        r
                   y   cos 
        
             x
                              r
            Trig Identities
               What letter is the
             numerator of this ratio?
Tan 
                What letter is the
            denominator of this ratio?
                              y
        r
                   y   tan 
        
             x
                              x
            Trig Identities
               What letter is the
             numerator of this ratio?
Cot 
                What letter is the
            denominator of this ratio?
                               x
        r
                   y
                       cot  
                              y
             x
            Trig Identities
               What letter is the
             numerator of this ratio?
Sec 
                What letter is the
            denominator of this ratio?
                              r
        r
                   y
                       sec 
                             x
             x
            Trig Identities
               What letter is the
             numerator of this ratio?
Csc 
                What letter is the
            denominator of this ratio?
                              r
        r
                   y
                       csc 
                             y
         x
          csc
1. sin  * ________ = 1
        y     y
sin           * ____  1
        r     r
              y r
               * 1
              r y
             r
                csc
             y
   Use the skills you have
learned to solve all problems
     on the worksheet,
    “Trig Identities.”
         # 1-6.
7.                  sec
     tan  * csc = ______
         y
tan         y r
        x      * 
        r     x y
csc 
        y     r
                 sec
              x
   Use the skills you have
learned to solve all problems
     on the worksheet,
    “Trig Identities.”
        # 7-12.
13.  cos  sin
          = ______
     cot     x x
       x        ÷ 
cos         r    y
        r     x y
        x       * 
cot         r x
        y   y
                sin
            r
   Use the skills you have
learned to solve all problems
     on the worksheet,
    “Trig Identities.”
        # 13-18.
19.    sec= csc
        tan
       _____ = csc * tan
                 r y
csc 
        r         * 
        y        y x
               r
tan  
         y        sec
        x      x
   Use the skills you have
learned to solve all problems
     on the worksheet,
    “Trig Identities.”
        # 19-24.
25.     1
           =   csc
      sin      1 y
sin 
       y          ÷ 
       r        1 r
                 1 r
                  * 
                 1 y
                r
                   csc
                y
   Use the skills you have
learned to solve all problems
     on the worksheet,
    “Trig Identities.”
        # 25-30.

				
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