IDNLearn.com: Where your questions meet expert advice and community support. Discover reliable and timely information on any topic from our network of knowledgeable professionals.
Use the sum and difference identities to rewrite the following expression as a trigonometric function of a single number. cos(2/5)cos(/2)-sin(2/5)(sin/2)
Sagot :
We are happy to have you as part of our community. Keep asking, answering, and sharing your insights. Together, we can create a valuable knowledge resource. IDNLearn.com is committed to providing accurate answers. Thanks for stopping by, and see you next time for more solutions.