# Bundle - Sum and Difference Formulas Using Cosine, Sine and Tangent

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Sum and Difference Formulas Using Cosine, Sine and Tangent

This bundle contains six worksheets. The first two worksheets give the student a formula to simplify. The next two work with Cosine and Sine and the last two for Tangent. They are all self checking puzzle worksheets which has the student solving to find the solution and match the letter at the bottom of the page to reveal the solution to a riddle.

**Simplifying Sum and Difference Formulas Using Beta**

This self-checking worksheet gives the student a formula to simplify: sin(8B)cos(5B) + cos(8B)sin(5B). The students will simplify the formula to sin(3B). The worksheet gives the solutions as a matching type format:

sin . 13B

. . -3B

cos . 3B

The student's job is to connect "sin" with "3B." A number will be before the trig function and a letter behind the argument. The student is to match the number with the letter at the bottom of the page to find what happened to the aggressive student.

**Simplifying Sum and Difference Formulas Using Radians and Degrees**

This self-checking worksheet leads the student through simplifying a Sum or Difference formula using degrees: cos186cos54 - sin186sin54 to cos240 to -1/2. Also, the formulas will be given in radians to simplify. The student will match the solution to the problem number to reveal the solution to a riddle.

**Sum and Difference Formulas Using Cosine and Sine - 1**

This worksheet works through the sum and difference formulas for Sine and Cosine. The student works through a sum or difference problem containing a quadrant angle and a variable. Two solutions are given per problem. The student circles the correct solution.

**Sum and Difference Formulas Using Cosine and Sine - 2**

This worksheet studies the sum and difference formulas for sine and cosine. The student is given an angle and must find two numbers which combine to the given value: sin 75 = sin (30+45). The worksheet also covers radians using the same skill.

**Sum and Difference Formulas Using Tangent - 1**

This worksheet works through the sum and difference formulas for Tangent. The student works through a sum or difference problem containing a quadrant angle and a variable. Two solutions are given per problem. The student circles the correct solution.

**Sum and Difference Formulas Using Tangent - 2**

This worksheet studies the sum and difference formulas for Tangent. The student is given an angle and must find two numbers which combine to the given value: tan 75 = tan (30+45). The worksheet also covers radians using the same skill. Once the solution to each problem is discovered, they reveal the answer to a riddle.