Question: Use the fundamental identities to fully simplify the expression. csc(x) sin(x) + sin(x) - - csc (x ) 1 7. Question Details OSPreCalc1 7.R. 392.

cos3(x) + sin2(x) cos(x) cos () B. Question Details OSPreCalc1 7.R_395. [3330538]

Find the exact value. 12 -2- V3 . Question Details OSPreCalc1 7.R.405.

Use the fundamental identities to fully simplify the expression. csc(x) sin(x) + sin(x) - - csc (x ) 1 7. Question Details OSPreCalc1 7.R. 392. [3330520] Use the fundamental identities to fully simplify the expression. cos3(x) + sin2(x) cos(x) cos () B. Question Details OSPreCalc1 7.R_395. [3330538] Find the exact value. 12 -2- V3 . Question Details OSPreCalc1 7.R.405. [3343231] Find the exact values of sin(20), cos(20), and tan(20) given sec(0) = - - and 0 is in the interval [, "] sin(20) = 21 cos(20) = 25 tan(20) =OSPreCalc 10. Question Details Evaluate the product using a sum or difference of two functions. 2 cos ) cost O cos + cos(# cos 15 + cos 15 O cos 5 + cos( 21- cos + Cos cos _41 + cos 15 15 Question Details OSPreCale: 11 Evaluate the sum by using a product formula cost cos 12 1219. + Question Details OSPreCalci 8.R.578. [3348134] A pilot is flying over a straight highway. He determines the angles of depression to two mileposts, 1.7 km apart, to be 220 and 430, as shown in the figure below. Find the distance of the plane from point A and the elevation of the plane. (Round your answers to one decimal place.) distance from the plane to point A 1.8 km elevation of the plane 1.2 km 470 20. Question Details OSPreCalc1 8.R.580. [3348120] Solve the triangle in the figure below, rounding to the nearest tenth. B - 76.3 0 45.7 16.6 14 19

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