Q.3: A) Solve the following equations (find x, y, z) by using inverse matrix method. (Note: Check the answer by the calculator) cos 0 + l + 22+3 = -3 1+ cos 20 In y? + 322 – 4 = 2 2 + 2ln y + 2? = -3 V 1+ (tan 0)2

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Q: 4) z = (4 + j3)sinh(3+j)+cos(3-j2)

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