Find the exact value of the expression. sin 25° cos 35° + cos 25° sin 35° Use a half-angle formula or sum and difference formula to find the exact value of the expression. cos 105
Find the exact value of the expression. sin 25° cos 35° + cos 25° sin 35° Use a half-angle formula or sum and difference formula to find the exact value of the expression. cos 105
Trigonometry (MindTap Course List)
8th Edition
ISBN:9781305652224
Author:Charles P. McKeague, Mark D. Turner
Publisher:Charles P. McKeague, Mark D. Turner
Chapter5: Identities And Formulas
Section5.4: Half-angle Formulas
Problem 2PS
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PLEASE answer these two questions for me! Thank you!
Find the exact value of the expression.
sin 25° cos 35° + cos 25° sin 35°
Use a half-
cos 105
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