Express each of the following expressions as a single trigonometric ratio and then evaluate to an exact value, if possible. a) 8 cos² (1) -4 b) 5m -3 cos cos 0 - 3 sinsin 0 c) 6 tan 0+6 tan² 6-tan 0 tan-

Q: 4. Solve the trigonometric identity: sin4x = 2sin2xcos2x.

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Q: aresin(sin(-5). 3 arcsin( sin( – sin(-"#))- 4 arccos( cos(- 6. IT arccos( cOS 3 II

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A: Given: sinθ=12 we know that sinθ is positive in first and second quadrant if, θ is in first quadrant…

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A: The answer is found in step-2

Q: Find the exact value using sun and difference formulas.  sin(cos-1 5/13 - sec-1 5/4)

A: Let,I=sincos-1513-sec-154using…

Q: 2. (sin 60°)(cos 30°) + (cos 60°)(sin 30°)

A:

Q: If sinA=4/5 and cosB= -5/13, where A belongs to QI and B belongs to QIII, then find sin(A+B). How do…

A: Given that Where A in quadrant 1 and B in quadrant III

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A:

Q: The Equivalent expression of (cos 3A) / (sin A cos A) is ?

A:

Q: Simplify the 18ll8WIng expressIons. a) cos?x (tan2x + 1) b) v1 - sin a V1+ sin a

A: To simplify the expressions

Q: Find the tan x/2 = (1-cosx)/sinx under the conditions where tanx=-1/3 and cosx >0. Draw a right…

A:

Q: 1. Write as an algebraic expression in x and y: COS (tan-¹x + sin-¹ y)

A: Since you have asked multiple questions in a single request we would be answering only the first…

Q: 2. Give the exact value of the principle root in radians of "simplify the radical 3+ 2/2 sin 0 = 5.

A: Given,