Use the cosine of a sum and cosine of a difference identities to find cos (s+t)...

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Use the cosine of a sum and cosine of a difference identities to find cos (s+t) and cos (s-t). √√5 √3 sin s= and sint= 5 s and t in quadrant I 6 cos (s+t) = (Simplify your answer, including any radicals. Use integers or fractions for any numbers in the expression.) cos (5-1) = (Simplify your answer, including any radicals. Use integers or fractions for any numbers in the expression.) Use the cosine of a sum and cosine of a difference identities to find cos (s+t) and cos (s-t). √√5 √3 sin s= and sint= 5 s and t in quadrant I 6 cos (s+t) = (Simplify your answer, including any radicals. Use integers or fractions for any numbers in the expression.) cos (5-1) = (Simplify your answer, including any radicals. Use integers or fractions for any numbers in the expression.)