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# hw help plz1. Simplify sin^2x sec^2 x -1 2) Write an Algebraic expression for cos[arc sin (1)] x ⚑ Flag

by dave226 at June 13, 2011

3. A geometric sequence has a common ratio of -2. If the first term is 5 find the 7th term 4. Determine the amplitude of the function: f(x)=-7cos3x 5. Find the radius of a circle with a central angle of 30 degrees and an intercepted arc of 12cm nearest hundredth 6. find the complement of 2pi/6 7. Find the 29th term in the sequence 11, 14, 17, 20,â€¦ 8. Find the two coterminal angles one positive and one negative of -13pi/6 same units 9. A 30 foot building casts a shadow of 48 feet. Find the angle of elevation of the sun to the nearest second.  10. Given sec x= 2.375 and 0 degrees<x<360 find all the values of x to the nearest degree 11. Find the length of the major axis of the following ellipse               ((x +7)^2)/9  + ((y -2)^2)/16 13. Given the following Hyperbola find the equation of the asymptotes 9x^2 â€“ y^2 - 90x â€“ 4y +185 = 0