In AABC, LA = 40°, b = 6.8 cm, and c = 3.6 cm. (Round each answer to one decimal place.) (a) Find a using the law of cosines. a = cm (b) Find zC using the law of sines. LC = (c) Find 2B. ZB =

Q: You are given an equation of the form cos x = k wherek 2 0. cos x = 0.7 (a) Use the graph shown…

A: a) The given function is cosx=0.7. Redraw the given figure as shown below, From the above figure it…

Q: 4. Use the PMI to prove the following for all natural numbers n. |(c) E-1 2' 2n+1 – 2 i=D1

A:

Q: 29. f(x, y) = x + y, C: x? + y² = 4 in the first quadrant from (2, 0) to (0, 2)

A:

Q: (a) If sin t = 0.31, find sin(-t). sin(-t) = (b) If sin o = -0.44, find sin(-6). sin(-ø) = (c) If…

A:

Q: sin x = 0.1 (a) Use the graph shown below to estimate (to the nearest 0.05) a root of the equation…

A: Step:-1 Part (a):- Given that sin(x) =0.1 Take sin(x) =y then y=0.1 Now, for y=0.1 we check…

Q: Determine the area of the shaded region, given that the radius of the circle is 3 units and the…

A: Here given that the radius of the circle (r)= 3 units and the given graph is

Q: sec. 3.

A:

Q: tan(A + 2B) – tan(A – 2B) 1 + tan(A + 28)tan(A – 2B)

A: Put X = A+2B and Y = A- 2B  And use the formula

Q: Use the addition formulas for tangent to simplify the expression. [tan(e + 77)][tan(0 – 77)] + 1

A: Explanation of the solution is given below...

Q: sec 90

A:

Q: 10. Evaluate (x – y + z - 2) ds where C is the straight-line segment x = t, y = (1 – t), z = 1, from…

A: Given C is the straight line segment , from (0, 1, 1) to (1, 0, 1) .

Q: 11. F = (3x2 - 3x)i + 3zj + k

A:

Fundamentals of Trigonometric Identities

Trigonometric Identities are the equalities that involve trigonometry functions and hold for all the values of variables given in the equation.