Find the exact value under the given conditions.sin ? = 
, 0 < ? < 
; cos ? = 
, 0 < ? < 
Find cos (? + ?).
A. 
B. 
C. 
D. 
Answer: A
You might also like to view...
Factor completely using the grouping method to factor trinomials. If unfactorable, indicate that the polynomial is prime.11x2 + 122x + 11
A. (11x - 1)(x - 11) B. (11x + 1)(x + 11) C. prime D. (11x + 11)(x + 1)
Provide an appropriate response.The income statement describes the financial condition of a business at some exact point in time.
A. True B. False
Name the quadrant or axis in which the point lies.(0, 8)
A. quadrant I B. quadrant II C. x-axis D. y-axis
Solve the problem.f(x) = tan x is defined over the interval 
.(a) Approximate the area A by partitioning 
into 4 subintervals of equal length and choosing u as the left endpoint of each subinterval.(b) Approximate the area A by partitioning 
into 8 subintervals of equal length and choosing u as the right endpoint of each subinterval.(c) Express the area A as an integral.(d) Use a graphing utility to approximate this integral to three decimal places.
What will be an ideal response?