please show your work for number 8. thank you Find V1) sin-1 (-o5) the exact val

Question

please show your work for number 8. thank you

Find V1) sin-1 (-o5) the exact value of the expression 2) cos-1. Y3 3) tan-1 (- Find the exact value of the expression, if possible. Do not use a calculator. 4) cos-1 |cos Use a sketch to find the exact value of the expression. 5) cos tan-1 O iangle to write the expression as an algebraic expression. Assume that x is positive and in the domain of the given inverse trigonometric function. 6) sin(tan-1x) 7) cos(sin-1 x) 8) tan(secT 1 yx2 25 Solve the triangle. Round lengths to the nearest tenth and angle measures to the nearest degree 9) B = 50 C 104 b 19 Determine whether the given measurements produce one sides and an angle( ngle, two triangles, or no triangle at all. Solve each triangle that results. Round lengths to the nearest tenth and o are given.

Explanation / Answer

8. tan(sec-1((x^2+25)/x)

sec-1((x^2+25)/x)=u

sec u=(x^2+25)/x

tan u=(sec2u-1)=5/c

Therefore tan(sec-1((x^2+25)/x)=5/x

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