Exercises 35-38: Checking Symbolic Skills (Refer to Example 7.) Evaluate the indicated trigonometric function of 0, where is an acute angle determined by an inverse trigonometric function. (Hint: Make a sketch of a right triangle containing angle 9.) 35. tan 9, if sin ¹ x 36. sin , if 0 tan¹ 37. cos 0, if 0 = sin X VI - x Vị tr

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