if cos theta = x/2, then 1+that2 theta is equals to?

Q: Cos x = Cos" x 1-

A: In this question we have to prove cosx=cos-1x.

Q: snip

A: Inverse trigonometric function are the inverse function of specially sine ,tangent, secant,…

Q: If sino + sin'0 +sin' 0 = 1, then prove that cos 0-4 cos* 0+8cos 0 = 4.

A: sin2 x + cos2 x = 1.

Q: Show that the following is true. cos(X-pi/2) = sinX

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Q: Express the function as a 11) trigonometric function of x. Must show ALL wor Cos 4x

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Q: Find the exact value of cos2 15° - sin2 15°.

A: We have to find the exact value of cos2 15°-sin2 15°Formula used :-Cos 2θ= cos2 θ-sin2θ -1

Q: **#1.) In triangle JKL, mZK = 90° and tanl = Determine the value of cos). %3D

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Q: Verify that if y = ƒ(θ2 sin θ, then y'(θ) = ƒ'(θ) sin θ + ƒ(θ) cos θ.

A: We use the product rule

Q: 7T then 6. If 0 = sin(0) = cos(0) = COS %3D

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Q: Given that (1-cos(Theta))/2=0.7, find sin^2(THETA/2)

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Q: x+(1/x)=2 cos theta , then show that x2+(1/x2 )=2 cos2 theta

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Q: The integral ¹S. 01-fese csc ³0 de sin² sin ²0 de = [sec³ sec ³0 de + cos² cos²0 de dx (x²+4)² can…

A: We have to solve Integral

Q: If cos 2 (5) sin(0) and 0 <0< then 2 0 =

A: cosπ2=sinθ                                L.H.S=cosπ2…

Q: 11. If 0° <0<90° and sin 6 = , find cos 0 using trigonometric identities. %3D 13

A: Explanation: Given that,  sinθ=1213 ;   0°&lt;θ&lt;90° We know that,  In trigonometric ratio:…

Q: if sinθ= 2/√5, and θ terminates in QII, find cosθ.

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Q: – 27 then If 0 3 sin(0) = cos(8) =

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Q: If sin theta = 3/2 and theta terminates it .Find cos theta

A: Given that sinθ=32 and theta terminates in it. It is known that cosθ=±1-sin2θ. This implies that,

Q: If sin theta = 3/5 and theta terminates it . Find cos theta and tan theta

A: Since the quadrant in which θ terminates is not mentioned in the question and the given value of…

Q: If cos u = - 2/3 and π/2 &lt; u &lt; π, find: cos (2u) tan (u/2)

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Q: If csc(x) = 4, for 90° < x < 180°, then CS sin() Cos 2 %3D tan 2 %3D

A: formule: 1. cosec(x) = 1/sin(x) 2. tan(x) = sin(x)/cos(x)

Q: If tan(0) Hint = sin(0) = cos(0) = sec (0) = 15 - 8 ) 0 ≤0 ≤ 90°, then the exact value of

A: Here we have to find the other trignometric function.

Q: I co cos (In x) dr

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Q: . Suppose csc(A)· where A terminates in QIV, and sec(B) = -3 where B terminates in QII %3D a) First…

A: Note the trigonometric identities :

Q: Part 3 of 4 COS X d —CSC X + С dx To check for the result, prove that 1 - cos?x

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Q: If tan θ= (√2)/5 and π (greater than) θ (greater than) 3 π/2, find the exact value of cos 2 θ

A: We have to solve the trigonometry question

Q: Find tan theta if sin theta = 4/5 and theta terminates it    3/5

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Q: Show that the equation sin(cos 2x)= V1-4x² is an identity. %3D

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Q: Compute cos (cos-1(3/2)) O 3/2 O This quantity does not exist.

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Q: Cos(theta)=1/6 with theta is Q4, find Sec(theta/2).

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Q: If cos (alpha + beta ) = 0 , then sin (alpha - beta ) can be reduced to ?

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Q: - Find the value of each of the following: 4T Cos 3 sin(-30°) , ,sec(165°)

A: as per our guidelines, i can answer only one equation with three subparts. To know rest, please re…

Q: If csc(z) = 4, for 90° < z < 180°, then sin (;) - ()- cos tan

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Q: Find cos theta is sin theta = 1/2 and theta terminates in QII

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Q: If it is known that sin 0: and n<0 < find the exact value of cos(20). -

A: Consider the given value. sinθ=-13 The angle lies between third quadrant and the cosine function…

Q: Find cos 20 if sin 0 %3D cos 20 = %3D

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Q: if 0°<θ<90° and sin⁡θ=3/8, find cos⁡2θ.

A: To find: cos2θ Given information: if 0°&lt;θ&lt;90° and sinθ=38 Formula used: cos2θ=1-2sin2θ

Q: If cos u = - 2/3and u terminates in QIII, find sin u.

A: Given: cosu=-23, u terminates in 3rd quadrant We know that if u is in 3rd quadrant then sinu and…

Q: Prove that csc2A tan(2A) = 2cosA/cos(2A)sinA

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Q: 2. If cos 4A = 23/49, find tan A %3D

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Q: 3. Find the value of cote + co sece 5. If cos e = %3D

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Q: Find cos if sin = 1/2 terminates in QII

A: Given data:     The given value of the trigonometric identity is: sinθ=1/2.     Evaluate the given…

Q: Evaluate: Je*cos(7e*)cos(4e*)dx.

A: We need to integrate∫excos7excos4exdxSubstitute ex=tDifferentiate x w.r.t texdx=dtThen∫cos7tcos4tdt

Q: If tan θ= √2/5 and π (less than) θ (less than) 3 π/2, find the exact value of cos 2 θ

A: Given tanθ=25   If π&lt;θ&lt;3π2 then  cos2θ=?

Q: Given that (1-cos(theta))/2=0.7, find cos^2(theta/2)

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Q: If cos 0+sin 6= /2 cos 0, show that cos 0-sin 6 = /2 sin 6.

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Q: Find cos 0 and sin 0 if tan 0 = 4 and π &lt; 0 &lt; 3π /2.

A: We have to find cos θ and sin θ if tan θ=4 where π&lt;θ&lt;3π2. Since π&lt;θ&lt;3π2 therefore angle…

Q: Which of the following is equivalent to cos (60° + 0) + sin(30° + 0)? cos 0 + v3 stn e cos e O…

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Q: Assuming that sinu=20/29 and sinv=21/29 and that u and v are between 0 and π/2​,evaluate cos(u−v)…

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