Pre-Calc/Trig Unit 3: Analytic Trig and Applications/5.3 and 5.4 Sum//Difference Identities Use trigonometric identities to find the exact value.sin 20° cos 100° + cos ... Use trigonometric identities to find the exact value.

sin 20° cos 100° + cos 20° sin 100°]]> 1.0000000 0.3333333 0 true true abc ]]> 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Incorrect ]]> /9j/4AAQSkZJRgABAQAAAQABAAD/2wBDAAMCAgMCAgMDAwMEAwMEBQgFBQQEBQoHBwYIDAoMDAsKCwsNDhIQDQ4RDgsLEBYQERMUFRUVDA8XGBYUGBIUFRT/2wBDAQMEBAUEBQkFBQkUDQsNFBQUFBQUFBQUFBQUFBQUFBQUFBQUFBQUFBQUFBQUFBQUFBQUFBQUFBQUFBQUFBQUFBT/wAARCAAoABgDASIAAhEBAxEB/8QAHwAAAQUBAQEBAQEAAAAAAAAAAAECAwQFBgcICQoL/8QAtRAAAgEDAwIEAwUFBAQAAAF9AQIDAAQRBRIhMUEGE1FhByJxFDKBkaEII0KxwRVS0fAkM2JyggkKFhcYGRolJicoKSo0NTY3ODk6Q0RFRkdISUpTVFVWV1hZWmNkZWZnaGlqc3R1dnd4eXqDhIWGh4iJipKTlJWWl5iZmqKjpKWmp6ipqrKztLW2t7i5usLDxMXGx8jJytLT1NXW19jZ2uHi4+Tl5ufo6erx8vP09fb3+Pn6/8QAHwEAAwEBAQEBAQEBAQAAAAAAAAECAwQFBgcICQoL/8QAtREAAgECBAQDBAcFBAQAAQJ3AAECAxEEBSExBhJBUQdhcRMiMoEIFEKRobHBCSMzUvAVYnLRChYkNOEl8RcYGRomJygpKjU2Nzg5OkNERUZHSElKU1RVVldYWVpjZGVmZ2hpanN0dXZ3eHl6goOEhYaHiImKkpOUlZaXmJmaoqOkpaanqKmqsrO0tba3uLm6wsPExcbHyMnK0tPU1dbX2Nna4uPk5ebn6Onq8vP09fb3+Pn6/9oADAMBAAIRAxEAPwD9U6+f/izH/wAJp8Y7rSbkeMLjTfCfhmC+/sXwdrl5ps+sXWpXcscJZ7e4t1X7OulTAGaTyz9tYkx+Xl+18a+G/Gtp4mi8X6LrVxqyabMAvg+32W0N7p5gZZ4d8jFGu2mMc0c0hRQLaK3Bt1muZ5POPhl42HxI8N/Ef4meEdG1Dx/4b8X61FbaRdaXfDTdRn0eHT7e2dbZ53heERX41ErG8kBDSTSocyAyJ7DWrPQv2fdR0a98K6vBpOn+LdHmsNWms9R03xpq8+p31rcqkZK+fLc3IMZQxOoilZPnJGGLUVT/AGdfh9qngPS/Ez3cOsaVpWr6qdQ07QvEGrHVL/T1aKNZfOuTLNuaSVZJNomlChgd2WZVKp9Pl99te/XzJTvf1f3X0/AfP8IvFVrBJNN8evHsUMal3key8OhVUDJJJ0rgAVwnw00a28U3+p6D4X+OfxG029tC2pXGm3nhbR9JkkFxNI73SR3GiRGVJJvNYzIGVnLEsSefoy/vY9Nsbi7lWV4oI2ldbeF5pCFGSFjQFnPHCqCSeACa8a+EfjzT/iV8RL7xDd6J4l0jW2sGs7C01fwnqmnR2dksodg9zcW8cTzSt5bMisQojVV3bXdyOsreX9f1ppd9LOmvc5l/X9L8bLqdx4K8Aa74V1WW71P4leKPGNu8JiWx1u20qOGNiykSA2llA+4BSMFyuGOVJwQV2tFIQUUUUAFFFFAH/9k= Incorrect ]]> 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Incorrect ]]> 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 Correct