Question
Q1. Use the sum-to-product formula to writesin13x+sin5xas a product. 2sin9xcos4x sin8xcos18x sin18x 2cos9xsin4x Q2 . rewrite cos 4 2t without using any powers. Q3. Use
Q1. Use the sum-to-product formula to writesin13x+sin5xas a product.
- 2sin9xcos4x
- sin8xcos18x
- sin18x
- 2cos9xsin4x
Q2. rewrite cos42t without using any powers.
Q3. Use the product-to-sum formula to writecos4xsin 6xas a sum or difference.
- 1/2cos10x-1/2cos2x
- 1/2cos10x+1/2cos2x
- 1/2sin10x-1/2sin2x
- 1/2sin10x+1/2sin2x
Q4. Given thatsin=6/61 and<<3/2, find the exact values of the trigonometric functions.
tan20=
sec20=
cot20=
csc20=
sin20=
cos20=
Q5. Use the sum-to-product formula to writecos6x+cos4xas a product.
- 2cos5xcosx
- 2cosxsin5x
- 2sin5xsinx
- cos10x
- 1/2cos5xcosx
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Elementary Statisitcs
Authors: Barry Monk
2nd edition
1259345297, 978-0077836351, 77836359, 978-1259295911, 1259295915, 978-1259292484, 1259292487, 978-1259345296
