Problem 377E: [T] Find expressions for cosh x + sinh x and cosh x - sinh x. Use a calculator to graph these... Problem 378E: From the definitions of cosh(x) and sinh(x), find their antiderivatives. Problem 379E: Show that cosh(x) and sinh(x) satisfy y" = y. Problem 380E: Use the quotient rule to verify that tanh(x)' = sech2(x). Problem 381E: Derive cosh2(x) + sinh2(x) = cosh(2x) from the definition. Problem 382E: Take the derivative of the previous expression to find an expression for sinh(2x). Problem 383E: Prove sinh(x + y) = sinh(x)cosh(y) + cosh(x)sinh(y) by changing the expreS5ion to exponentials. Problem 384E: Take the derivative of the previous expression to find an expression for cosh(x + y). Problem 385E: For the following exercises, find the derivatives of the given functions and graph along with the... Problem 386E: For the following exercises, find the derivatives of the given functions and graph along with the... Problem 387E: For the following exercises, find the derivatives of the given functions and graph along with the... Problem 388E: For the following exercises, find the derivatives of the given functions and graph along with the... Problem 389E: For the following exercises, find the derivatives of the given functions and graph along with the... Problem 390E: For the following exercises, find the derivatives of the given functions and graph along with the... Problem 391E: For the following exercises, find the derivatives of the given functions and graph along with the... Problem 392E: For the following exercises, find the derivatives of the given functions and graph along with the... Problem 393E: For the following exercises, find the derivatives of the given functions and graph along with the... Problem 394E: For the following exercises, find the derivatives of the given functions and graph along with the... Problem 395E: For the following exercises, find the antiderivatives for the given functions. 395.cosh(2x+1) Problem 396E: For the following exercises, find the antiderivatives for the given functions. 396.tanh(3x + 2) Problem 397E: For the following exercises, find the antiderivatives for the given functions. 397.x cosh(x2) Problem 398E: For the following exercises, find the antiderivatives for the given functions. 398.3x3 tanh(x4) Problem 399E: For the following exercises, find the antiderivatives for the given functions. 399.cosh2(x)sinh(x) Problem 400E: For the following exercises, find the antiderivatives for the given functions. 400.tanh2(x)sech2(x) Problem 401E: For the following exercises, find the antiderivatives for the given functions. 401. sinh(x)1+cosh(x) Problem 402E: For the following exercises, find the antiderivatives for the given functions. 402.coth(x) Problem 403E: For the following exercises, find the antiderivatives for the given functions. 403.cosh(x) + sinh(x) Problem 404E: For the following exercises, find the antiderivatives for the given functions. 404.(cosh(x) +... Problem 405E: For the following exercises, find the derivatives for the functions. 405.tanh_1(4x) Problem 406E: For the following exercises, find the derivatives for the functions. 406.sinh_1(x2) Problem 407E: For the following exercises, find the derivatives for the functions. 407.sinh-1(cosh(x)) Problem 408E: For the following exercises, find the derivatives for the functions. 408.cosh-1(x3) Problem 409E: For the following exercises, find the derivatives for the functions. 409.tanh-1(cos(x)) Problem 410E: For the following exercises, find the derivatives for the functions. 410.esinh-1(x) Problem 411E: For the following exercises, find the derivatives for the functions. 411.ln(tanh-1(x)) Problem 412E: For the following exercises, find the antiderivatives for the functions. 412. dx4 x 2 Problem 413E: For the following exercises, find the antiderivatives for the functions. 413. dx a 2 x 2 Problem 414E: For the following exercises, find the antiderivatives for the functions. 414. dx x 2 +1 Problem 415E: For the following exercises, find the antiderivatives for the functions. 415. xdx x 2 +1 Problem 416E: For the following exercises, find the antiderivatives for the functions. 416. dxx 1 x 2 Problem 417E: For the following exercises, find the antiderivatives for the functions. 417. e x e 2x 1 Problem 418E: For the following exercises, find the antiderivatives for the functions. 418. 2x x 41 Problem 419E: For the following exercises, use the fact that a falling body with friction equal to velocity... Problem 420E: For the following exercises, use the fact that a falling body with friction equal to velocity... Problem 421E: For the following exercises, use the fact that a falling body with friction equal to velocity... Problem 422E: For the following exercises, use this scenario: A cable hanging under its own weight has a slope... Problem 423E: For the following exercises, use this scenario: A cable hanging under its own weight has a slope... Problem 424E: For the following exercises, use this scenario: A cable hanging under its own weight has a slope... Problem 425E: For the following exercises, solve each problem. 425.[T] A chain hangs from two posts 2 m apart to... Problem 426E: For the following exercises, solve each problem. 426.[T] A chain hangs from two posts four meters... Problem 427E: For the following exercises, solve each problem. 427.[T] A high-voltage power line is a catenary... Problem 428E: For the following exercises, solve each problem. 428. A telephone line is a catenary described by y... Problem 429E: For the following exercises, solve each problem. 429. Prove the formula for the derivative of y =... Problem 430E: For the following exercises, solve each problem. 430. Prove the formula for the derivative of y =... Problem 431E: For the following exercises, solve each problem. 431. Prove the formula for the derivative of y =... Problem 432E: For the following exercises, solve each problem. 432. Prove that (cosh (a) + sinh(x))n = cosh(nx) +... Problem 433E: For the following exercises, solve each problem. 433. Prove the expression for sinh-1(x). Multiply... Problem 434E: For the following exercises, solve each problem. 434. Prove the expression for cosh-1 (x). Multiply... format_list_bulleted