Simplify the expression by using a Double-Angle Formula or a Half-Angle Formula 1- cos(60°) (a) 2 1 - cos(100) (b) 2

Q: Simplify the following: sin 75° cos 75° 5.2.1 cos(45°-2x).cos 2x - sin(45° -2x) sin 2x…

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Q: sin120o = ..............,cos240 o =...................

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Q: Simplify (1 – sin² 0)(1+ tan² 0) b.tan e а.1 c.-csce d.-1

A: The answer is found in step-2

Q: cos 60 (degrees)-sin 45 (degrees)=

A: The question is  cos 60°-sin 45°=??

Q: Evaluate the following expressions. Your answer must be an exact angle in radians and in the…

A: Given Data The interval of angle is [-π/2, π/2]   (a) The expression of angle is θ=tan-1(√3/3).…

Q: Simplify sin(7 − a) + sin tan(π + a) Select one: a. b. OC. 1 + sina sina + tana tana Od. 1 + tana…

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Q: Simplify (a + b)° a sin (180°) + ab sin (270°) + b sin (360°) cos (360°) + (a – b)´ csc (270°) -

A: Please refer the attached image for complete solution.

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: Evaluate the expression without using a calculator: (sin(π/3)cos(π/4)-sin(π/4)cos(π/3))2

A: Given- sinπ3·cosπ4-sinπ4·cosπ32 To find- The value of the above expression.

Q: Simplify : cos (2 pi / 3) cos (pi / 6) + sin (2 pi / 3) sin (pi / 6)

A: Trigonometric identity: The following trigonometric identity is used in solving the given problem.…

Q: Write 9 cos(t) 1 – sin(t) 9 cos(t) 1+ sin(t) using one trigonometric function.

A: To write  using one trigonometric function.