9. In AABC, ZB = 45°, a = 13, and ZC = 63°. Find AB. 13 sin 45° (a) sin 67° (b) 13 sin 67° sin 45° 13 sin 45° (c) sin 72° 13 sin 63° (d) sin 72°

Q: 2. Write the expression in terms of cosine. (Check that the values are equal on your calculator) a)…

A: 2. Using the trigonomteric identity, sin(θ)=cos(90°-θ)   a) sin(37°)=cos(90°-37°) sin(37°)=cos(53°)…

Q: 5) Find the exact values. Do not use a calculator. a. cos 60° + tan 45° – sin 30° b. csc- 4 + sin: 2

A:

Q: Write sin A as

A: This question is about trigonometric identites

Q: B)Convert 20= tan¹r to cartesian.

A:

Q: Convert the angle in radians to degrees. ♫

A: Recall:  Radians to degree Formula:     degree=radian measureπ×180°

Q: Find (62²+ + 7x°) dx

A:

Q: 19Eind the volue of each of the six triganametric angle tunctions of the the figure. in 9. sin0 =…

A: We have given a right angled triangle.  We have to find all trigonometric trigonometrical ratio

Q: 9. Determine the Quadrant in which angle is located if cos 0 0.

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Q: Which of the following is NOT equal to cos(-576°)? DO NOT USE A CALCULATOR! Enter, a, b, c, d, or e.…

A: The given trigonometric expression .We have to find the expression that is not equal to the given…

Q: Sketch the angle and write the sec and tan of the angle if the terminal side of the angle passes…

A: NOTE: Refresh your page if you can't see any equations. . the given point is so here we have

Q: What is the exact value of: sin 75 degrees + sin 15 degrees?

A: 32 is the correct answer

Q: 6) Fill in missing ( cose, sin@) of the Unit Circle. 90 60° 45 30 0°

A:

Q: Find all solutions to each equation in radians. 21) 3tan 40 = -3 22) -5 = -4 + tan 23) sin 20 - 24)…

A:

Q: Suppose cos 2A = and 2A is an angle in the Third Quadrant. | 7' Then cos A

A: The trigonometric identity for cosine is cos 2x=2cos2 x−1.

Q: 3. Name the quadrant of the terminal side of an angle measuring 765° Quadrant 1 Quadrant 2 O…

A:

Q: 74. Error Analysis Describe the error.cos 60° = opphyp = 12

A: Given: cos60°=oppositehypotenuse=12 To determine: The error in the given statement.