sin(cos (0.715)) O 2.6991 O -1.3009 O -0.3009 O 1.6991 O 0.6991

Q: sin 180° tan 315º Cos 0°

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Q: Verify the ide

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Q: 5 sin(0) – cos(0) dO Evaluate: со

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Q: 77. sin?(-0) + tan?(-8) + cos²(-0)

A: Here we express each term in sine and cosine then we simplify.

Q: sin*0 – cos*0 = sin²0 – cos²0 %3D

A:

Q: (a) sin-' (sin ()) (0) cos (cos (-)) 6. Evaluate COS

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Q: cos(cos (0.2982)) -0.0884 O 0.2098 O 0.0884 O 0.5080 O 0.2982

A: Given expression, cos(cos-1(0.2982))

Q: 1 Show that +. cos a sina 1 + cosa 1 + cosa

A: To proof: ±1-cosα1+cosα=sinα1+cosα

Q: sin2 (풀) + cos2 (풀) =

A:

Q: sin ;cos 3

A: Given: sinπ4=          ……1cos8π3=          ……2

Q: (sin 5x + cos 5x)

A:

Q: Establish each identity given in attachment.

A: Given equation: asinθ+bcosθ2+acosθ-bsinθ2=a2+b2

Q: Sin(50)Sin(80)cos(50)cos(80)=?

A: See attached file for a step by step explanation.

Q: | sin' cos“ 4 x

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Q: sin2(78°) + cos2(78°)

A: Question is based on trigonometric ratios and angels.

Q: Solue [2 cos 0-31-5 from 0 02360°

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Q: sin(20) cos(20z) dæ- O 100 O 0 O -2 O 2

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Q: Sin(x−6)=Cos(54) What does X = ?

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Q: 14. cos sin

A: Here is the solution:

Q: SinA (1+cos A) = 2cosecA (+cos A) sin A

A:

Q: sin theta- square root of 3 cos theta=square root of 3

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Q: sin 20 Cos0 1+ Cos 20 = tan 1+ cos0

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Q: (1+Sin O+COs02=a(+Sin0)+cose)

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Q: 10. Simplify (cos x- sin x)? - (sin x-cos x)'.

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Q: (a) [* sin*(@) cosť (8) do COS

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Q: Prove or disprove.

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Q: sin(π /4)=............cos(8π /3)=.....................

A: We have to find the exact values of the given trigonometric functions: sin π4cos 8π3 We know the…

Q: sin(20) = cos(0) %3D

A:

Q: cos(cos-(0.2323)) =. 0.2323 0.4943 0.7266 0.9589 -0.4943

A: In this question we have to find the value.

Q: sin (90° – x) = -0.8. What is cos (x)? %3D

A: Solution Let consider identity sin(90°-x)=cosx ........................(1)

Q: Prove the identity. sin(x - ) - -cos(*) Use the Subtraction Formula for Sine, and then simplify. sin…

A: Given that, sinx - π2=-cosx We have to prove this identity. We know that, The substraction formula…

Q: 46. What are the advantages to using the formula a_1- cosa tan 2 sina or tan as opposed to sina 1 +…

A: To obtain the formula for the tan half-angle, write tan x as sin xcos x and then substitute the…

Q: sin(cos-(0.7068)) O - 1.2926 O 0.7074 2.7074 -0.2926 1.7074

A:

Q: 40. sin (27 - x) 37T 42. cos COS

A:

Q: csc 0tan e sin 6 cos 8 = cosd

A: Given data:   The given trigonometric expression is cscθtanθ-cosθ =sin2θ/cosθ.     The left-hand…

Q: Verify the identity.

A: Given: verify the identity cos3x+cos5xcos3x-cos5x=cotxcot4x we know that…

Q: COS 437/12 COS7T4+Sin 43T112 Sin? Ti/4

A: The expression is given by cos43π12cos7π4+sin43π12sin7π4 To evaluate: The value of the expression

Q: 39. cos (7 + x)

A: As per the company policy i can answer only first question for you, more than one answer leads me…

Q: Cos' 0-Sin' e 2 Cos o

A:

Q: sin(cos (0.4498)) %3D -1.1069 0.8931 1.8931 2.8931 -0.1069

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Q: sin cos 4 12 cos sin 12 4

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Q: Sin'0+ Cos 0 =-(Cos40+ 3) 4 %3D

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Q: 6. Prove the identity 1 (cscA- sinA)(secA – cosA) tanA + cotA

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Q: Value of |cos15° sin15 | sin 15 cos15" O 1 O 1/2 3/2 none of the above O O

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Q: (표) + sin (포). Give the exact value of COS O1 V3 V2 O 1+v3

A: We can make it easier for you.

Q: sin (x) = -0.6. What is cos (90° - x)? %3D Submit

A: Explanation of the answer is as follows

Q: sin 50 Show that 16 cos 0 – 12 cos² 0 + 1. sin 0

A: given,

Q: sin²0 × tan² B- cos2a - cos?a sin? 30° x tan 60° - cos 45°

A: The square of any trigonometric ratio is represented as: sin2(θ)=sin(θ)2      and…

Q: cos(sin (0.4252)) : O 1.9051 O 0.9051 O -0.0949 O -1.0949 O 2.9051

A: sin^-1(0.4252)=0.43918284434 that is cos(0.43918284434) =0.90509941995