If you wanted to use the half angle formula to find the exact answer for cos 22. 5, what would you make the value of o? Ansewr in degree, not radian.

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Q: 4) Find Increasing, Decreasing or Constant Intervals. State in interval notation. Interval Notation ...

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Q: point on the terminal side of an angle 0 in standard position is (- 15, 8). Find the exact value of ...

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Q: 11. Find e (in degrees). (0.35m, 0.49m) Knee Ankle (0.1m, 0.15m)

A: Solving the problem by finding the value of theta in degree.

Q: Given a triangle ABC, which among the following shows the Laws of Cosine? * i. (AC)? = (AB)² + (BC)²...

A: To find out the correct answer.

Q: Plot the point with the given polar coordinates. Then find all the polar coordinates of the point. 5...

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Q: 5元 4.

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Q: Find the coordinates of points P and Q on the unit circle at right. Partial Answer: P: (cos 50', sin...

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Q: 12 45

A: In △PQRsinR=PQPRsin(45°)=PQ1222=PQ12PQ=1222PQ=62cosR=QRPRcos(45°)=QR1222=QR12QR=1222QR=62

Q: sin A = 4/5 with A in QII, and sin B = −3/5 with B in QIII, find sin (A + B).

A: Given query is to find value of sin (A+B).

Q: You lean a ladder 7.6 meters long against the wall. It makes an angle of 73 degrees with the level g...

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Q: 15. In the figure, ST is the tangent to the smaller circle, centre X, at P. Y is the centre of the l...

A: Drawing: Join Q,N.

Q: A 40° D 18 feet B

A:

Q: if one root of the equation 7x^2+13x+n=0 is reciprocal of the other.what is the value of n

A: Let one root of the given equation be z  and other root is reciprocal the one root.So other root is ...

Q: If sin B = −1/3 with B in QIII, find tan (B/2).

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Q: Plz answer with step

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Q: 5-28. Solve the equation 3 = 8* for x, accurate to the nearest hundredth (two decimal places).

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Q: Direction: Draw your own circle inside the box and illustrate the following. 1. chord QR 2. center A...

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Q: If sec A + tan A = x then sec A is? " 2 points x2 + 1 x² +1 х 2x Option 1 Option 2 x2 - 1 x? – 1 2x ...

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Q: Verify the identity. sin (a + B) tan a + tan B - sin (α-β) tan B- tan a Write the right side of the ...

A: Given query is to verify the identity.

Q: Simplify the expression. tan -2a-tan -3 1+tan –2æ tan –3æ tan x tan -4x tan -5x tan -3x

A: tanA-B = tanA-tan(B)1+tan(A)tan(B).

Q: ec A+ tan A =x then sec A is?* x? + 1 x² +1 х 2x Option 1 O Option 2 x? - 1 x² – 1 2x Option 3 O Opt...

A: Given query is to find the value of secA.

Q: elow: cos( ka) whose graph matches the func 13/ -12 -11 -10 -9 -8 -7 -6 -5 -3 -2 -2- -4 Leave your a...

A: Given graph

Q: Sinx=2/3 Cosx=? Tanx=?

A: Question is solved.

Q: Solve the​ triangle, if possible.     a=21.07​cm, b=8.75​cm, A=39.3°

A: Let's find. 

Q: Españo Keith and Rita are standing on a riverbank, 130 meters apart, at points A and B respectively....

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Q: b. 4 sin? () + 8 cos() - 7 = 0 for 0<0s 360°

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Q: (4, 3), (4, -3), (-3, 4) and  (-3, -4). Which of the following pairs of vectors is perpendicular?

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Q: Determine the value of angle A that corresponds to sec A = 1.3100. Round the answer to the nearest m...

A: secA = 1.3100 

Q: (c) Figure 6 shows the triangle ABC, with all side lengths measured in centimetres. 14.4 cm 6.9 cm A...

A: cosine rule

Q: given a triangle with the following angle measures, find the value of the missing angle: <1= 8°22'32...

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Q: Find the a- and y-intercepts of the equation. h (х) — 8х — 5 Enter your answers as points (a, b). x-...

A: Given: h(x)=8x-5

Q: 10) Find the end behavior of the given graph. As x→-00, f(x) As x→ 0, Ht) 恩) 00,

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Q: If tan θ= 2/3, find an exact value for sin θ. Include a diagram.

A: The objective is to find an exact value for sin θ. 

Q: 6) Describe the function's end behavior. You may graph in Desmos. ( Look from Left to Right ) y = -x...

A: graph

Q: A new homeowner has a​ triangular-shaped back yard. Two of the three sides measure 53 ft and 41 ft ...

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Q: Spring Motion The position of a weight attached to a spring is s(t) = -4 cos 87t inches after t seco...

A: NOTE: Refresh your page if you can't see any equations. . here the coefficient of the cosine functi...

Q: There were 2 small circles C1 and C2 inside a large circle AB. AB is a diameter of the large circle....

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Q: 5. Find the perimeter of the figure below. 7 cm 2 cm 3 cm neaous.com.sg 10 cm www.

A: This is a problem related to the mensuration. Based on the general formula of the perimeter we will ...

Q: Suppose a certain baseball diamond is a square 85 feet on a side. The pitching rubber is located 56....

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Q: Question 15 56 38' 58 20 41 42 In the truss shown, find the value of ZDCE in degrees.4

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Q: cos2x - sin2x cos2x / cosx - sinx) dx=1/3 F(x) + C. What is F(x)

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Q: The stairs at a school with a height of 5.5 m are broken and totally fall apart. At an angle of 35 d...

A: Find your answer below 

Q: If T < 0 < 2T, then the principal value of 0 is 0-π 0-2T 20 None of the given options is correct.

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Q: Solve the equation on the interval 0 ≤ θ < 2π. 2 sin^2 θ = sin θ

A: Sinπ/6=1/2 and sin5π/6=1/2

Q: -2 -7 Write an equation for the function graphed above. y% =

A: We have to find the function of given graph. 

Q: In the truss shown, find the value of 21 in degrees.

A: This question can be solved using concepts of measurement of angles.

Q: You must order a new rope for the flagpole. To find out what length of rope is needed you must obser...

A: Topic:- Geometry

Q: What is the least common multiple of a, b and c, if a, b and c are prime numbers and a is not equal ...

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Q: Determine the length of side f in inches in the following diagram to 4 significant digits. 71040' 30...

A: Topic:- geometry