3. The trigonometric sin cos coscos O2 cos cos O2 sin sin expression sin (0+) is equal to + cos sin - sin sin

Q: 7. Prove the following trigonometric identity: secx-2sin x = (sin x − cosx)2 cosx

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Q: Please answer me

A: The objective of the question is to find the value of x that satisfies the equation sin(x^3) =…

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Q: -1 Determine sin=(cos a) Provide your answer be

A: cosa can be written as sin(pi/2-a) sin and sin inverse get canceled see attached image

Q: Show that sin ( 40) (cos 0) (4 sin 0 – 8 sin³ 0). %3D

A: To show: That sin 4θ=cos θ4 sin θ-8sin3θ. Formula used: sin A+B=sin A·cos B+sin B·cos A cos…

Q: What is an equivalent expression in terms of sine for cos(68)?

A:

Q: Prove the following useful trigonometric identities: (a) cos(a + 3) = cos(a) cos(3) - sin(a) sin(3)…

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Q: Verify the identity. (Simplify at each step.) cos³ x sin“ x = (sin“ x – sin x)cos x cos x sin“ x =…

A: Using First Identity Of Trigonometry.

Q: Evaluate (a) sin-1 (b) cos-1 (-)

A: Solve the trigonometry

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A: To prove ..

Q: 3下 2 cos x 1-Sin x

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A: As value of cosθ and sinθ revolves around +1 to -1 , they take different values depending on the…

Q: cos (+x) = CoS - sin x %3D

A: Given : cosπ2+x = -sinx

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A: given  tanθ=-23,  cosθ>0tanθ<0  and  cosθ>0, there for θ is in 4th quadrant

Q: Use the trigonometric identities to expand and simplify if possible. 1-cos(1) Enter…

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Q: If sin z + cos I 2, then the value of sin" r+ cos" z will be-

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Q: 14) sin- 1 2 /-

A: 14. let x=sin-1(12)     x=π6                    (∵ sin(π6) = 12)

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A: To prove that the given relation is true

Q: Find the exact value of sin 2π sin ²-0 = 3 2π 3

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Q: cos e de sin² 0 + 4 sin 0-5

A: To evaluate the given integral.∫cos θ dθsin2 θ+4 sin θ-5

Q: e csc 20 In (ecos 2 ) Ince cos CoS 20 28) Sin2 20 OP

A: Given integral is ∫ecsc2θlnecos2θsin22θdθ since lnex=x, so lnecos2θ=cos2θ The integral becomes…

Q: 1) 2) 1 sinx.cosx dx 4 + sin?x dx VX (1– X) (x – 1) X^

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Q: Simplify (cos x- sin x)(cos x+ sin x). sin x cos x O 2 cos x-1 2 cos x+1

A: Given: cosx-sinxcosx+sinx

Q: State the sum and difference formulas for the sine. sin (x + y) = sin (x) cos (y) + sin (y) cos(x)…

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Q: 8) Prove the trigonometric identity. (sin z + cos r)? = 1 + sin (2r)

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Q: 2) Find the value of: sec(tan )+ cos(sin ? 2. CoS

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Q: 35. Verify the following: sec sin 0.tan 0 sin e cos² e

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Q: 1 minus the fraction of cos squared theta/ 1 plus sin of theta

A: Use Pythagorean identity sin^2 theta + cos^2 theta=1  This gives, cos^2 theta = 1 - sin^2 theta

Q: I d (Cot x) (COS X dx sin X * Sin x (-sin x)-cos x (cos x) (Sinx) (sin*x + ças* x) Sinx + Cos x )…

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