If sin 0= and is in QII, cos is equal to COS A 4/5 5/3 -4/5 D -5/3 B.

Q: Use the conditions below to find sin 2θ, cos 2θ, and tan 2θ. cos θ = 5/13, 3π/2< θ < 2π

A: Given:

Q: If sin a = with < a < 2n, find cos - 2

A: Given,sin α = -35α = sin-1-35=323.13 degrees or 216.87 degrees.Since α is between 3π2=270 and 2π…

Q: If cos (x +) + sin (x- ) = A, then the number A is equal to А. —2 В. — 1 С.О D. 1

A: compound angle formulae of trigonometry.

Q: Given: cos A= -, sin x = - 3, e is in the third quadrant, and x is in the fourth quadrant; evaluate…

A: Given, cosθ=-45  where 180°&lt;θ&lt;270°We know that ,sin2θ+cos2θ=1sin2θ+-452=1sin2θ+1625=1Subtract…

Q: Find the exact value of the given expression. sin (2 cos-¹()) 5

A: Given Problem:- Find the exact value of sin2cos-135

Q: If A = 0J, then e = cos 01 + sin 0J = = cos sin 0500). - sin

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Q: If cos 0= 5/13. Find the numerical value of sin 0.

A: Given: cosθ=513

Q: Reduce sin θ + 2 cos θ to the form r sin(θ + ϕ), and find ϕ

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Q: If sin (B) = -1/5 with B in QIII, find cos (B/2). cos (B/2) =

A: We have to determine the value of cosB2 when sinB=-15 We know that…

Q: 13 5.

A: First use Pythagoras theorem to find the value of x. Then use the value of x so found to find sin…

Q: If sin 0 2 find the exact value of cos 20. 3

A: The given value is sin θ=23.

Q: Give the EXACT values for the quantities. (a) sin 19 (b) cos (c) cos = COS

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Q: If sin a = , x in quadrant I sin(2r) cos(2æ) = tan(2x) :

A: By using basic trigonometric formulas, we can find all this as follows.

Q: if 0 less than or equal to 0 less than or equal to 90 and sin (0) =a, then which of the following…

A: Solution

Q: For this problem, let sin 6 = 60 and cos e = 11 %3D 61 > 61 » and find tan 0

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Q: e or sin 1 2 and tan 2 cos .2

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Q: If cos x=1/2 and x is in quadrant I, what is the exact value of cos 2x?

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Q: d) Verify the identity sin 0 tan 2, 1+ cos e

A: To prove:

Q: Given 0<0 < 2n, solve 2 tan@ + sin @ cos 8 = 0. O 0,"

A: We can make it easier for you

Q: Find cos 6 given that sin(20) = 5/13 and 0<0 <

A: Use properties of right triangle to get value of thetha

Q: If cos(8) 3 and e is in the 3rd quadrant, find sin(e) 4 %3D sin(0) =

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Q: 3. Find cos a if sin a

A: Given:sinx=910cosx=?Formula:cos2x=1-sin2x

Q: 5. If sin e and 360 < e< 450°, find cos %3D

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Q: If sin A= 12/13 with A in Q2 find cos A/2

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Q: find sin(a) given that cos(a) = 3/5 and sin(a)

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Q: If sin (A)= 12/13 with A in QII, find cos (A/2). cos (A/2)=________

A: In second quadrant cos is negative

Q: The Equivalent expression of (cos 3A) / (sin A cos A) is ?

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Q: If sin A= -4/5 with A in QIII, find cos A/2

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Q: If cos(0) 7. and 0 is in the 4th quadrant, find sin(0) 8. sin(A)

A: Since, cos θ=78and θ is in the fourth quadrant.Our Aim is to find sin θ=?

Q: Find sin 20, given the expression below. 2 cos 0 3 and <ө < 2п 2

A: Solution:Given    cos θ=23To find:sin2θFormula:sin2θ+cos2θ=1sin 2θ=2 sin θ cosθ

Q: If cos(0 - π/2) 0.54, find sin(- 0)

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Q: If cos b = and sin a = £, where a and b are between 0 and , evaluate: %3D sin 2a cos(a - b)

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Q: If cos A= 21/3 and A is between 90° and 180°, find   sin A/2

A: Given : If cos A= 21/3 and A is between 90° and 180°,    Since, 90° &lt; A &lt; 180°…

Q: If sin A 315 3π 2 where π < A< then cos 2A =

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Q: Let sin 0 = 12/13, and cos 0 = 5/13, and find the indicated value. %3! %! sec 0 = %3D

A: Given ,  sin θ = 12/13  cos θ = 5/13 We have to find sec θ Since ,

Q: Apply the formula for cos (A - B) to the identity sin 0 = e )to obtain the addition formula for sin…

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Q: Given that sin(x) = 11/61, and 0<x <<x< pi/2 %3D Find cos(2x).

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Q: Given that sin' (x) and cos ( x), show that sin(a+B) = 1

A: Given that sin^-1 (x) and cos^-1(x) We have to prove that sin ( alpha + beta) = 1

Q: If Sin A=5/13 with A in QII, then find sec A/2

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Q: If cos (0) = - and sin (8) = -, where <0 <r and <B< 27, find cos (0 + B). 5 %3D %3D 13

A: Given,            cosθ=-35 and sinβ=-513 , where π2≤θ≤π and 3π2≤β≤2π

Q: Find the values in : @ sin (cos' ( E)) @ sec(cos' t)

A: Given: (a)  sincos−122=?(b)  seccos−112=?

Q: Find the exact value of the given expression. sin(2 cos() 8. 17

A: At first,The value of cos-1(8/17)=1.0808 is needed to be calculated by a calculator.

Q: If sin(8) = 1 and e is in the 1st quadrant, find cos(0) cos(0) = Enter your answer as a reduced…

A: Given sinθ=34 and θ is in first quadrant.

Q: If sin A =2/3 with A in the interval 0° &lt;= A &lt;= 90°, find       cos A/2

A: Given, sin A=23, 0°≤A≤90°

Q: If sin B with B in QIII, find the following. 3 B cos 2

A: We have to find the angle

Q: The formula for cos(at B) is cos a cos B - sin a sin B cos a cos B + sin asin B sin a sin B - cos a…

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Q: dr + r tan 0 = cos? 0, do = 1. 4.

A: Given DE is drdθ+r tanθ=cos2θ   and rπ4=1 solve the given DE

Q: Question in Image.

A: At the outset I must say it's an amazing question. Information is given about α and the questions…