The sine of an angle ϕ in the third quadrant is equal to −8145√ and the cosine of an angle θ in the second quadrant is equal to −710 . Explain how to find the exact value of sin(ϕ−θ) .

Mary beth used the mapping rule to find the coordinates of a point that had been rotated 90° counterclockwise around the origin. examine the steps to determine whether she made an error. m (3, –6) is rotated 90° counterclockwise. (x, y) → (–y, x) 1. switch the x- and y-coordinates: (6, –3) 2. multiply the new x-coordinate by –1: (6(–1), –3) 3. simplify: (–6, –3) .

The suare root of 9x plus 7 plus the square rot of 2x equall to 7

What are the domain and range of the function f(x)=2^x+1