tan 7pi/8 solve using the HALF ANGLE formula. Previous answer used double angle formula which I don't need. Please give me the answer using the half angle formula.

Q: To measure a stone face carved on the side of a​ mountain, two sightings 800 feet from the base of…

A: We have to find the height of stone face.

Q: In right ∆PDR, Angles P and R are the acute angles. If cos P = √33/7, sin P = .   Express your…

A: ∆PDR is right angled triangle at D. P and R are acute angles.

Q: If θ is an acute angle, solve the equation tan θ= 4/5. Express your answer in degrees, rounded to…

A:

Q: A telegraph pole is supported by two guy wires which run from the top of the pole to the ground on…

A: Given:- A telegraph pole is supported by two guy wires which run from the top of the pole to the…

Q: If y = cos*[sec2 (30)], and (6 y will be equal to? 9.

A:

Q: Use the sine of the sum of two angles formula to find the exact value of sin(105°) O I+V3 2/2 O 2+v6…

A: We have to find angle

Q: can you guide me though the proof of the double-angle formula for tan2X = 2tanX/1-tan^2X ?

A:

Q: Hey. How would I express the following angle using the sum or difference of angles formula?…

A: Solution: The objective is to find the value of sin12π12

Q: In a right triangle, cos (6x)° = sin (10x + 2)°. Find the smaller of the triangle's two acute…

A: We know, sinθ=cos(900-θ)

Q: In a right triangle, the side opposite angle α has a length of 11.1 feet, the side adjacent to angle…

A:

Q: For an acute angle 0 , the equation sin (0) = cos (6) is true. What is the value of 0 ?

A: If both the angles x and y are acute then    sin x=cos y⇒sin x =sin 90°-y⇒x=90°-y⇒x+y=90°For an…

Q: If θ is an acute angle, solve the equation sin θ= 1/2.

A: Given: If θ is an acute angle, we have to solve the equation sin θ= 1/2.

Q: ● From a point A the angle of elevation of a post is 460 10' while from a point D, 50 meters from A…

A: Note- As per our guidelines we have to answer only first question if multiple questions are…

Q: A player hits a ball from the ground with an initial velocity of 85 feet per second at angle \theta…

A: Given that, In a projectile motion, Initial velocity (v) = 85 feet/second Angle is θ. and  cosθ = 13…

Q: Solve. Given that sin 0 = 3 %3D and that the terminal side is in quadrant II, find sec 0.

A:

Q: For an acute angle 0, the equation sin(8)=cos(6) is true. What is the value of 0?

A: solution  given below..

Q: To solve the equation 2 sin x = x by Newton- Raphson method, the initial guess was chosen to be x =…

A: Given function is f(x) = 2 sin x - x = 0 Initial assumption x = 2.0 (in Radian) After first…

Q: If cos(23x+20)°=sin(2x−10)°, find the acute angles of the corresponding right triangle

A: Given eqnCos23x+20°=Sin2x-10°We need to find x.we know thatCos A=Sin90-A

Q: A player hits a ball from the ground with an initial velocity  of 85 feet per second at angle θ. If…

A:

Q: In a right triangle, sin(β) = 0.292. If the hypotenuse of the triangle has a length of 17.5 cm, what…

A:

Q: 4. tan (2a)

A:

Q: Given any triangle, there are two cases when the sine law can be used. Determine the scenarios when…

A: Sine Rule: Sine law can be used when two sides and one angle opposite to any of given side is given.…

Q: What is the exact value of tan(7pi / 8) if you use the tangent half-angle formulas?

A:

Q: Suppose that angle 0 is a solution to the equation 1 cos(9-x)= 3 How would you express all of the…

A: NOTE: Refresh your page if you can't see any equations. . for a general solution, we need to add

Q: How would I find an angle between 0 and 2pi that is coterminal with 11pi/4? I don’t know the best…

A:

Q: If π/2 < A < π  and  π < B < 3π/2, sinA = 3/7 and secB = -5/2, Locate angles A and B in diagrams and…

A:

Q: Given that sinØ=1/3 and 0<Ø<pi/2, what would be the value of sin(2Ø)? please help me with the…

A:

Q: use a half-angle formula to find sin((11pi)/12) simplify your answer completely

A:

Q: △ABC is given with a right angle, ∠B, cos(3x+30)°=sin(12x)°. If ∡A=(3x+30)°, what is the value of…

A:

Q: If θ is an acute angle, solve the equation tan θ= 4/7. Express your answer in degrees, rounded to…

A: Solve the given problem.

Q: Cos 2. FIN

A:

Q: Solve for x, xE(0,2pi): sin2x - 5cos2x = -2

A: Given trigonometric equation is sin2x-5cos2x=-2, x∈[0,2π).

Q: In a right triangle, cos (9x)° = sin (7x – 6)°. Find the larger of the triangle's two acute angles.…

A: In a right angle triangle cos(9x)° = sin(7x-6)°.  Find the larger of the triangle's two acute angles…

Q: sin 50 cos 30do

A: Given: ∫sin5θcos3θdθ To find: Solve the given integral.   Required formulas:…

Q: Find all angles θ between 0∘ and 180∘ that satisfy the given equation: sinθ=√2/2

A: Given  equation  sinθ = 22

Q: If θ is in Quadrant II and sin2θ = 3/4 , evaluate tanθ. In your final answer, include an explanation…

A: The equation is given by sin2θ = 34  Where, θ is in quadrant II To evaluate: The value of tanθ

Q: If θ is an acute​ angle, solve the equation tanθ=4/7. Express your answer in​ degrees, rounded to…

A:

Q: Find the exact value using half-angle formulas. 7 cos (7?/8)

A:

Q: 5. sin(2a)

A: Given that: tanα=-34                           forπ2≤α≤3π2tanα2=-342tan2α=916sec2α-1=916…

Q: Find the smallest possible solution to the equation 7 tan(4a + 199°) = 8 sin(4a + 199°), where a >…

A:

Q: Thui then had an idea. "Is there a connection between the angles and sides in the BIG triangle…

A:

Q: Remember, even if you enter an answer rounded to a set number of decimal places, if you use that…

A: Since you have asked multiple question, we will solve the first question for you. If you want any…

Q: By comparing e3i0 = cos 30 + i sin 30 with ( ei8)3 = ( cos 0 + i sin 0)3, find the "triple angle"…

A: Euler's rule: ei3θ = cos3θ + i sin3θ   -------------------Eqn (1) Also, (eiθ)3 = (cosθ + i sinθ)3

Q: In right triangle, the side opposite angle has a length of 11.1 feet, the side adjacent to angle a…

A: Topic: trigonometry

Q: To find the correct values (in degrees) for the angle, begin by finding the __________angle, and use…

A: The given statement with blank is : To find the correct values (in degrees) for the angle, begin by…