4. Apply half-angle formula to find b. sin 15° 5m C. COS a. cos 15°

Q: Use the given information to find the missing ratio. 2 a) csc a, if sin a = 3 b) cot a, if tan a = 5…

A: a. We know the realtion between cscα and sinα is cscα=1sinα Then, we have given  sinα=23 Therefore,…

Q: 4. Apply half-angle formula to find a. cos 15° b. sin 15° C. COS

A: Given: cos15∘, sin15∘, cos5π8 We know that cos2x=cos2x-sin2x…

Q: Find the exact values of the sine, cosine, and tangent of the angle. 17n 17T 17n %3D 12 4 6 17T sin…

A: Given- sin 17π12, cos 17π12 and tan 17π12 To Find- The exact values of the sine, cosine and tangent…

Q: Find the exact value, given that sin A =-45, with A in quadrant IV, tan B = 724 with B in quadrant…

A:

Q: Use the half-angle formulas to determine the exact values of the sine, cosine, and tangent of the…

A: To find: The value of sin 15°, cos 15°, tan 15°. Formula used: Half angle formula: sin θ=1-cos 2θ2…

Q: For positive acute angles A and B, it is known that cos A= 9/41 and tan B=21/20. Find the value of…

A:

Q: 2. Use a calculator to find an approximate radian angle measure rounded to the nearest 1,000th. a)…

A: Since you have posted multiple sub parts, as per our policy we will answer first three sub parts.…

Q: ne, and tangent of the angle without using a calculator. 177 sin(e) = cos(e) = tan(e) =

A: Topic:- trigonometry ratios

Q: If cos t = and t is in the 3rd quadrant, then sin t =

A:

Q: For positive acute angles A and B, it is known that cos  A = 40/41 and tan B=5/12. Find the value of…

A:

Q: 11a Use a half-angle formula to find sin( ) 12

A:

Q: If sin 0 4 and 0 is in quadrant II, then cos 0

A: sinθ=45cosθ=?

Q: Use the given information to find the exact value of a. sin 20, b. cos 20, and c. tan 20. 20 O lies…

A: Given: cosθ=2029, θ lies in quadrant IV We know that 1+cos2x=2cos2x…

Q: 8. and If sin a =- 17 cos ß = for a second-quadrant angle a and a third-quadrant angle ß, find the…

A: solution is given below..

Q: 119 Suppose that is an angle in quadrant 4 and that cos B 2 Compute the exact value of 169 %3D (2).…

A:

Q: = For positive acute angles A and B, it is known that tan A = 24 and cos B Find the value of sin(A -…

A:

Q: Given that sin(0) = - 2/13 and 0 is in Quadrant IV, what is cos(20)? 13

A: We have given the value of  sinθ=-21313 and we have to calculate cos2θ

Q: What are the values of cos a and tan a, if a is the measure of an acute angle in triangle and sin a…

A: See the details solution in below

Q: cos ? = 35

A: there is an error in the question. the value of cos? is lying between[-1,1] but in these cases the…

Q: In a right triangle ABC, tan(A) = 3/4. Find sin(A) and cos(A).

A:

Q: 2. Demonstrate that the double angle formula for sin2x is derived from the compound angle formula…

A: Double angle formula for sin2x is sin2x=2sinxcosx. and compound angle formula for sin(a+b) is…

Q: 19 21 Choose the function that could be used to find the measure of the angle with the "?". sin COS…

A: Given: A right-angled triangle with hypotenuse 21 units, and a side as 19 units. From the unknown…

Q: If sin (2a) cos (a +30), what is the value of a ? O20 O 20 O 30 О 50 O 110

A:

Q: Find angle A (to the nearest 0.1 degrees) if COS A = 0.5432.

A: COS A = 0.5432 A = ? Now, COS A = 0.5432 A = COS-1( 0.5432) A = 57.09 ~ 57.1° Therefore, Angle A =…

Q: Find the exact values of the remaining trig functions if sin a =4/5  and a is an acute angle.

A: Given sina=45 where, 'a' is an acute angle

Q: If cos θ = 1/6 and θ is acute, find cot (π/2 - θ).

A: We have to find cotπ2-θ if θ is acute and cosθ=16 We know that ratio of cosine function is base to…

Q: If sin(A+ 60°) = cos 2A where 2A is an acute angle, then find the value of A

A: We have to find the value of A where 2A is an acute angle and given that: sin A+60°=cos 2A We know…

Q: Assuming all angles are acute, what is the solution for the following equation: sin A = cos 8A

A: The given equation is  sin A = cos 8A

Q: Evaluate the expression under the given conditions. tan(20); cos(0) e in Quadrant I 13

A:

Q: If sin θ = 4/5 and θ lies in quadrant II, find the exact value of cos 2θ.

A: Given, sinθ=45 θ lies in quadrant II.

Q: 2. Apply the compound angle formulas to solve the following: a) tan 750 (in degrees) b) cos (+)

A:

Q: tan(a+β) ; cosα = −(11/61) for α in Quadrant III and sinβ = −(63/65) for β in Quadrant IV

A: To find: tan(α+β)

Q: For positive acute angles A and B, it is known that sin A = 1 and 15 17 cos B Find the value of…

A:

Q: Use the given information to find the exact value of a. sin 20, b. cos 20, and c. tan 20. 15 cos 9 =…

A: sin2θ= 2 sinθ cosθ cos2θ = cos2θ- sin2θ

Q: Find tan(0) + sin(0) for the angle 0 shown. 7

A: Find tanθ+sinθ for the angle θ .

Q: If cos a = 0.552 and sin B = 0.324 with both angles' terminal rays in Quadrant-I, find the values of…

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Q: in a right triangle cos(b)=1/2, what is the value of sin(a)

A:

Q: 14. If sin 0 :- and e is in quadrant III, find tan 5 2

A:

Q: For positive acute angles A and B, it is known that sin A = Find the value of sin(A - B) in simplest…

A: Use the Trigonometric identities to solve the question.

Q: For what angles 0 between 0° and 360° is cos 0 = sin 0 true?

A:

Q: Suppose that 0 is an angle in standard position whose terminal side intersects the unit circle at 9.…

A:

Q: 119 Suppose that is an angle in quadrant 4 and that cos B 2 Compute the exact value of 169 sin 2 (4)…

A: Given, cosβ= -119169 β2  is an angle in quadrant 4We have to find the exact value of  sinβ2

Q: 6. Find the exact value by using a half-angle identity. Cos 165°

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Q: 24 Given that sin(0) =- and 0 is in Quadrant III, what is cos(20)? %3D 25

A:

Q: 1. Find the value of cos(arctan(). As part of your solution, include the corresponding right angle…

A: solution :-

Q: What is cos A, if sin 2A = , and 2A is an angle in the second quadrant? V85 %3D 22 no correct answer

A:

Q: 5. Identify the quadrant in which the angle e lies. sin 0 < 0, tan 0 < 0 Quadrant I B Quadrant II…

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Q: 4. s in quadrant C

A:

Q: Find tan(0) + sin(0) for the angle 0 shown. 3.

A: Given figure, We find tan(θ) + sin(θ)

Q: 8. Given that sin 0 = , and the angle 0 is in the first quadrant, find the value for cos 0.

A: