Simplify the absolute value 4|cos ?| if ? = sin−1 x/4 for some real number x. (Give your answer in terms of ?.)

Q: Write the following sin(2arccos(3x)) as an algebraic expression in x 1/3. for -1/3 less than or…

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Q: (3sin(0.3)) + cos(tan-(4.9))

A: put calculator in radian mode. 0.88656+0.19996=1.086 ans :d

Q: tan 0 cot 0

A: (I)  tanθcotθ=sinθcosθcosθsinθ    (Reason : tanθ=sinθcosθ, cotθ=cosθsinθ)         =sin2θcos2θ…

Q: Evaluate the following (i) sin 78° cos 18° cos 78° sin 18° (ii) cos 47° cos 13° sin 47° sin 13°

A: These problems can be solved by using trigonometric formulas for sum and difference of two angles.…

Q: Let x = 7 cos 0,0 <0 < T. Simplify the expression x 49-x²

A: Given that .The objective is to simplify the expression .

Q: Cos(x)•Cos(-x)-sin()sin(-x)

A: Given: cos(x) cos(-x) - sin(x) sin(-x)

Q: Simplify the absolute value  3|cos ?|  if  ? = sin−1 x/3  for some real number x. (Give your…

A: Given angle is, θ=sin-1x3 Here, the objective is to find the simplify for absolute  sin−1x3. sinθ=x3…

Q: 2 Which of the following shows the simplified function of sin²x ·? 1+ cos x

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Q: Rewrite the expression cos (0) without using any powers of sin or cos.

A: We have to rewrite the expression cos4( θ) without using the powers of sin or cos .

Q: (2sin x) -1 Cos

A: cos(2 sin-1x) Let sin-1x=u Taking sin  function on both sides x=sin u

Q: is this true or false

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Q: Complete the sentence below. -1 COS cos (cos x) =x where 3Dx cos (cos x) = x where Cos 0<x<2x.…

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Q: xp- 2-x (Put x = 2 sin? ) %3D

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Q: Simplify the expression: Give the answer in exact form. √3 tan (on-4 ( 12² ) - Non-4 (-3)) COS sin

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Q: what is the equivalent expression of COS os (-), in terms oP the related acute &ngle?

A: We find the equivalent expression for the angle cos(-π/6) in terms of related acute angle.

Q: Evaluate the following expression. (x ≠ πn, where n is a whole number)   3/sinx - 3/cscx

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