Solve sin 2x = tanx for 0≤x≤2π

Q: (c) Prove that cos 35°+cos 45°+cos 75°+cos 85° = 2 cos 5° cos 20°.

A: Formula used: cosx+cosy=2cosx+y2cosx-y2cos(-x)=cosx

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A: We have to slove the above questions

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Q: Find the area of the sector of a circle of radius 5 meters formed by an angle of 150°. The area A of…

A: We have to find the area of the sector of a circle of radius 5 meters formed by an angle of 150°.

Q: Graph f(0) = 2 tan (0+1 +2 where -≤ 0 ≤ π.

A: We can plot the given graph in the below steps.

Q: A rectangle is to be inscribed in a semicircle of radius 6 cm as shown in the figure bel -6 cm- Find…

A: solution:-radius, r=6 cmusing trigonometric ratiosOA=rcosθAB=rsinθ

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A: The given trigonometric expression, cosxsecx+sinxcscx We have to simplify this expression.

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A: We will prove the given trigonometric identity.

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A: Let's find component form of a vector.

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A: Solution is given below:

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A: Given table:- Temperature (af) 40 1000 60 1840 70 2260 85 2890

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Q: what about the postive in this what happens to the positives if you don't mind me asking

A: The answer is in step 2.

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A: To determine whether the following statemnet is true or false.If x=3 is a vertical asymptote of a…

Q: Express the lengths a and b shown in the figure in terms of 0. a = b = 10 18 b a

A: Use trigonometric ratios.

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Q: Sin (1/6 + arceos -13%)

A: The objective of the question is determine the value.

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Q: 8.) 2x² - 19x + 35= 0 ( )( GCF: )=0

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Q: Find the area of the triangle having the given measurements. C=122°, a=9 meters, b = 6 meters

A: solution:- a=9 metersb=6 metersC=122°  Area of triangle without right angle is:…

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Q: (b) cosec 0 sec 0 cot A = 1+tan²0

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Q: Using the Law of Sines to solve the all possible triangles if ZA = 120°, a = 32, b = 14. If no…

A: Given: ∠A=120°, a=32, b=14.

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Q: (b) If t = tan = tan = 12¹ 2' prove 1+ sinx+cos x 1+ sinx-cos x = cot N|X

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Q: If: a cos(0)+bsin (0) = R cos(0-3) where a = 8 and b = 11 Find the angle B. Give your answer in…

A: Given:      acosθ+bsinθ=Rcosθ-β where a=8  and b=11  We know that             R=a2+b2…

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Q: Find all solutions sin(2theta)= 3cos(2theta) theta= ?

A: The given equation is; sin(2theta)= 3cos(2theta)

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