sе f an identity. Graph the left side and de separately, and see if the two graphs inator. to provide 46. sec t tan 47. 1 + 49. 1- C cos2 t 50. 51. cos" t 52. sin t sin e 53. 16: sin 54. 1- c COs sec 6 14. tan e 55. (tan2 56. (cot2 57. (cos cot 0 ) 1 16. cos2 e(1 tan 0) 1 cos 1- sint 18. cos t cot t = FOs t 58. (3 cos sin t sec2t 20. tan t 59 COS 1: sec t csc t 1 - cot2t 22 ost sin x 60. cSc t - sin t CSc t SI

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Equations and Inequations

Equations and inequalities describe the relationship between two mathematical expressions.

Linear Functions

A linear function can just be a constant, or it can be the constant multiplied with the variable like x or y. If the variables are of the form, x2, x1/2 or y2 it is not linear. The exponent over the variables should always be 1.