Find the first approximation to the root of the equation xe" – cosx =0 using Regular-Falsi method correct to 3 D, if a, =0,b, =1. O a. 0.315 o b. 0.32E O. 0.318 o d. 0.329

Q: Given that A = tan^−1 (3/4), find cos (2A).  Give exact answer

A: Given:

Q: 5

A:

Q: If sinX = -1/3 and cosX is positive, determine the exact value of cotX.

A: We know, cosx= ±√(1-sin2x) cotx= cosx/sinx

Q: Consider the function y=sin0, where 0=u+v. Suppose that u = v. Show how the Sum and Difference…

A: We will see the ans in next step

Q: - Solve for 8, where - 1/2 < 0 < 1/2 : sin(0 + π/6) = sin(0 — π/4) (Answer with decimal…

A: Use the trigonometric formula  for finding the theta.

Q: sinx=6/10 and sec x <0

A: -25/7

Q: Use a calculator to compute sinh x and cosh x for x = −3, 0, 5.

A:

Q: Find a formula for cos(tan^−1(7z)) assuming that z < 0. Show all the work.

A: cos(tan-1(7z))