Find the radius of a circle which has a sector of area 6 square feet determined by a central angle r2 feet (Type an integer or decimal rounded to three decimal places as needed.) 1 10 radian.

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A: solution:-1=12cos(x+1)-5,    0&lt;x&lt;112cos(x+1)=1+5=6cos(x+1)=612=12x+1=π3x=π3-1x=π-33

Q: (a) For co<t<∞, cos(arctan(t)) =

A: Since you have asked multiple question, we will solve the first question for you as per our guide…

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A: Topic:- trigonometry

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A: According to our guidelines,i can solve only first please reroute the remaining question.

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Q: (b) If t= tan- , express 0 2' sin 0+ sin 1+cos $2/20 + cos in terms of t.

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A: The angle of the complete unit circle is: 360°  or   2π

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A: We know, sin(a+b)=sinacosb+sinbcosa sin(-θ)= -sin(θ)

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