Find – 5 cos(0) cos³ (0) sin(20) de

Q: sin(a)= 4/5 and cos (B)= -7/25.  Find sin(2a) and cos (a-B)  ,with pi/2<a<pi and pi<B<3pi/2

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Q: Find all solutions to cos(3nx) =

A: To find all the solution of: cos3πx=12

Q: a. Solve 2 cos(2x) = √2 for x

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Q: If cos(0) = and 0 is in the 1st quadrant, find the exact value for sin(0). sin(0) = 56

A: To find the exact value of sin(theta)

Q: os−1(-1/2)

A: Given: cos-1-12

Q: Find sin(2x), cos(2x), and tan(2x) from the given information. sec(x) = 8, x in Quadrant IV sin(2x)…

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Q: Find d²y/dx² of Y= x cos (5x)– sin? x

A: Given: y=xcos5x-sin2x

Q: 3. Find S sin5 x cos* x dx.

A: Use substitution method

Q: Given that 3 S™ sin² z dr = ³, 8 is ['si T, what is sin¹0 de?

A: Given, ∫0πsin4dx=38π

Q: 1. Use the addition and subtraction formulas to reduce 20 to 0. (a) sin(20) (b) cos(20)

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Q: Find all solutions Cos(x/2)-cosx = 0

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Q: Find L{t cos 4t} 2

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Q: Solve for the convolution of sin (t) and cos (t).

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Q: Find sin(a), given that cos(a) = 2/5 and sin(a) < 0.

A: As we know that, the trigonometric identity: sin2θ+cos2θ=1 Given: cosa=25

Q: sin –9xdx

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Q: tan a =15/112, π < a < 3pi/2, and cos β = -12/13, pi/2 < β < π, find the exact value of sin ( a + β)

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Q: Solve the following for 0, in radians, where 0 <0 < 2n. 4 sin (0) – 7 sin(0) – 4 = 0

A: We use the quadratic formula to find θ

Q: dx = ? 4 sin x – 3 cos x+5

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Q: .  If tan(t)≈2.7, tan(t)≈2.7, and sin(t)≈0.94, sin(t)≈0.94, find cos(t).

A: For right angle triangle containing base, altitude, hypotenuse and angle x. Tan x = altitude / base…

Q: cos3θ+cos4θ=0.

A: Consider the given equation, cos3θ+cos4θ=0 By using the formula, cos(a + b) + cos(a - b) =…

Q: +C 498 (9y) - sin° (9y) dy : COS

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Q: T/4 sin2 x 2. :- cos? dx CoS2 COS x 7/4

A: To find the value of the given integral.

Q: If sin a = 3/5, cos β = - 13/37, and 0 < a < π/2 < β < π, find cos(a + β)

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Q: Cos(47°)=x/8

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