sec(0) – tan(0) sin(6) 8. Sec. 1.5 Verify the following identity. State the identities you used on the step you used it. (cos(0) + sin(0))² – 1 = 2 sin(0) cos(4) 9. Sec. 2.1 Simplify the following expression using exact values.

Q: Use the appropriate triangle or trigonometric identity to rewrite the following as an algebraic…

A: Note: As per our guidelines, we are supposed to answer only one question. Kindly repost the other…

Q: Find the exact value of tan (2 cos-1

A: We can solve the problem by applying trigonometric ratio.

Q: For part b can you please explain how sin(k) would be the same as cos(k)

A: sin(k) and cos(k) are same in sense of there range, since the range of these function is same.…

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A: The objective of the question is to find the value of tan(x + y) given that sin(x) = 3/5 and cos(y)…

Q: 3. Simplify the following expression completely: (sin x + cos x)² – 1

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Q: (2sin x) -1 Cos

A: cos(2 sin-1x) Let sin-1x=u Taking sin  function on both sides x=sin u

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A:

Q: Plot three related functions of X: Y1= 2cos(x), Y2 cos(x), Y3= 0.5cos(x), in the interval 0 sXs 2pi…

A: Given: y1=2 cos (x)  ; y2=cos (x)  and  y3=0.5 cos (x) To draw the graph 1) Graphic grid2) Rename…

Q: B. cos 285

A: Since you have asked multiple question, we will solve the first question for you as per our guide…

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A: Given: sin(x)cos(13x)-cos(x)sin(13x)

Q: Use a Pythagorean Identity to find tan(x) given sec(x) = 3.1 and that x lies in the fourth quadrant.…

A: