Write the function in terms of the cofunction of a complementary angle. COS COS T 18...
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Write the function in terms of the cofunction of a complementary angle. COS COS T 18 A 18 = (Simplify your answer.) Use identities to fill in the blank with the appropriate trigonometric function name. 1 cot 58° = cot 58° = 32° 1 32° Use the cofunction identities to find an angle 8 between 0° and 90° that makes the statement true. sing = cos(20+60°) 8= (Type an integer or a simplified fraction.) Write the expression as a function of 8, with no angle measure involved. cos (150° -8) cos (150°-8)= (Simplify your answer, including any radicals. Use integers or fractions for any numbers in the expression.) Write the expression as a function of 8, with no angle measure involved. sin (0-180°) sin (0-180°) = (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 13 sin s= and sint=- ,s in quadrant IV and t in quadrant II 5' cos (s+t) = (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). 2 3 cos s= and sint= 5 5 s and t in quadrant I cos (s+t) = (Simplify your answer, including any radicals. Use integers or fractions for any numbers in the expression.) Use the given information to find (a) sin (s+t), (b) tan (s+t), and (c) the quadrant of s+t. 4 5 COS S= 13 and sint= 5 s and t in quadrant IV (a) sin (s+t) = (Simplify your answer, including any radicals. Use integers or fractions for any numbers in the expression.) Use the given information to find (a) sin (s+t), (b) tan (s+t), and (c) the quadrant of s+t 2 sin s= and sin t= - 6 s in quadrant II and t in quadrant IV (a) sin (s+t) = (Simplify your answer, including any radicals. Use integers or fractions for any numbers in the expression.) Verify that the equation is an identity. (Hint: sin 2x=sin(x+x)) sin 2x=2 sin x cos x Substitute 2x=x+x and apply the sine of a sum identity. sin 2x = sin(x+x) (Do not simplify.) Write the function in terms of the cofunction of a complementary angle. COS COS T 18 A 18 = (Simplify your answer.) Use identities to fill in the blank with the appropriate trigonometric function name. 1 cot 58° = cot 58° = 32° 1 32° Use the cofunction identities to find an angle 8 between 0° and 90° that makes the statement true. sing = cos(20+60°) 8= (Type an integer or a simplified fraction.) Write the expression as a function of 8, with no angle measure involved. cos (150° -8) cos (150°-8)= (Simplify your answer, including any radicals. Use integers or fractions for any numbers in the expression.) Write the expression as a function of 8, with no angle measure involved. sin (0-180°) sin (0-180°) = (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 13 sin s= and sint=- ,s in quadrant IV and t in quadrant II 5' cos (s+t) = (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). 2 3 cos s= and sint= 5 5 s and t in quadrant I cos (s+t) = (Simplify your answer, including any radicals. Use integers or fractions for any numbers in the expression.) Use the given information to find (a) sin (s+t), (b) tan (s+t), and (c) the quadrant of s+t. 4 5 COS S= 13 and sint= 5 s and t in quadrant IV (a) sin (s+t) = (Simplify your answer, including any radicals. Use integers or fractions for any numbers in the expression.) Use the given information to find (a) sin (s+t), (b) tan (s+t), and (c) the quadrant of s+t 2 sin s= and sin t= - 6 s in quadrant II and t in quadrant IV (a) sin (s+t) = (Simplify your answer, including any radicals. Use integers or fractions for any numbers in the expression.) Verify that the equation is an identity. (Hint: sin 2x=sin(x+x)) sin 2x=2 sin x cos x Substitute 2x=x+x and apply the sine of a sum identity. sin 2x = sin(x+x) (Do not simplify.)
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