SOLUTION: can someone help me with this problem please? THANK YOU!
Write the product as a sum using a product-to-sum identity. cos(-8a)sin(10a)
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Question 1076452: can someone help me with this problem please? THANK YOU!
Write the product as a sum using a product-to-sum identity. cos(-8a)sin(10a)
Answer by ikleyn(52780) (Show Source): You can put this solution on YOUR website!
.
For the product-to-sum identity see the lessons
- Product of trigonometric functions
- Product of trigonometric functions - Examples
in this site.
Also, you have this free of charge online textbook in ALGEBRA-II in this site
ALGEBRA-II - YOUR ONLINE TEXTBOOK.
The referred lessons are the part of this online textbook under the topic "Trigonometry".
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