5, Using the figure below, find exact values for sin(20) and cos(20). 6 *write your answers as a fraction; e.g. the fraction - would be written sin(20) = cos(20) = %3D

Q: If sinA=4/5 and cosB= -5/13, where A belongs to QI and B belongs to QIII, then find sin(A+B). How do…

A: Given that Where A in quadrant 1 and B in quadrant III

Q: Let sinA=-4/5 with A in QIII and cosB=-3/5 with B in QII. Anwer Exactly. Find sin(A-B), cos(A-B),…

A: Given,

Q: The sin(105°) exact value ofsin(105°) can be expressed as sin(45°) cos (60°) + cos(45°) sin(60°)…

A: Given: sin(105°)=sin(45°) cos(60°)+cos(45°) sin(60°)

Q: Use the fact that sin (38) 0.6157 to complete the expression. 22 cos() 0.6157

A: We have to use the fact  sin(38°) ≈ 0.6157 to complete the expression  cos(.... °) ≈ 0.6157

Q: In the figure below, a pole has two wires attached to it, one on each side, forming t right…

A: Given, Two right triangle with same height p. where a and b are length of the wire A and B…

Q: Use power-reducing and/or sum formulas to fill in the blanks in the identity below: (sin(7z))“ - | 1…

A:

Q: Find the exact value of the expression cos 11π/6. Do not use a calculator.

A: To find the exact value of the expression,cos11π6. Solution: The given expression is , cos11π6…