(2) If cos(0) = and sin(0) = which quadrant does the angle belong to? Explain your answer in at most 2 sentences.

Q: cos -x answer is wrong and this was also a two part question. the other part was not answered

A: Given values of,

Q: Determine sin(2 – 2i) and write the answer in the form a + ib.

A:

Q: Simplify completely: V4 -x where x = 2 sin 0 and 0 an acute angle.

A: Given,  x=2 sin θ and θ is an acute angle.

Q: Task 2: A common mistake when learning about sines and cosines is to assert sin(x + y) = sin(x)+…

A: To show the given statement is not true, take x=30⁰ and y=60⁰. Therefore (x+y)=90⁰.

Q: fa"sin" (a*)dz Evaluate +C

A:

Q: For what values is the statement sin ―1(sin (θ)) = θ true? Explain your answer.

A:

Q: Let a and B be first quadrant angles with cos(a) = V3 and sin(B) V10 5 Find cos(a - B).

A:

Q: Use an appropriat aif-angle la to evaluate eadch quanuty. nswers in exact form.) (a) sin(77/8) (b)…

A: Part a: We can write sin7π8 as, sin7π8=sinπ-π8=sinπ8 Now, 2 sin2a=1-cos2a⇒2 sin2π8=1-cosπ4⇒2…

Q: 5. Simplify the expression cos² (18°) - sin² (18°) to a single trig function of an angle

A: The given expression is

Q: Mr. Chen is building a septagonal dining table. He labels one of the acute angles of the table 6 and…

A: Simplification

Q: Find two acute angles that satisfy the equation sin(2x +7) = cos(x + 29). Check that your answers…

A:

Q: What is the exact value of a trigonometric function of a given angle? Select True or False for each…

A: