Given that cos48 = 2/3, determine each of the following. Provide large, seperate, useful diagrams to support your conclusions [SHOW HOW TO DO USING NO TECHNOLOGY]: a.)  cos(132) b.)  cos(312) c.)  sin 48

Q: sin40= .643, sin25 = .422, cos40 = .766, and cos25 = .906, calculate the following: Sin15 and sin80

A: Given query is to find indicated angles.

Q: 2. Find the cxoct values of Sin Zu and cos2u

A:

Q: 3. Given y = -4 sin (9x +), find the following: a) amplitude = b) period =, c) phase shift = d)…

A:

Q: What is the correct difference formula for cos(35) using 15 and 20

A: We have to use the different formulas to evaluate cos35 using 15 and 20.

Q: Let (8, 6) be a point on the terminal side of 0. Find the exact values of cos 0, csc 0, and tan 0.…

A: The figure

Q: Use Cofunction Identities to Evaluate the Expression: sec(y-7) Find sec if cscy = -1.08.

A:

Q: Create an equivalent expression for cos(x – ), using an appropriate compound angle formula

A:

Q: 3. Use the diagram below to complete the table. y 3 х (A Coordinates of A sin 3 cos 4 tan 3

A: Given angle lies in the 3rd Quadrant