21 If tan 0 = 3 find the exact value of each of the following. 2 (a) sin (20) (b) cos (20) (c) sin 2 (d) cos 2

Q: if cos(X+pi/6)+sin(x-pi/3)=A, then the number A =

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Q: If sin(0) 4 and e is in quadrant III , then find (a) cos(0) (b) tan(0) (C) sec(0) (d) csc(0) : (e)…

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Q: Find the exact value of each expression. 1) cos-0 V3 3) cos- 5) sin- -1 7) cos-1 1 9) sin- 1 11) cos

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Q: (c) cos 27 (d) tan

A: Cos(π/4)= 1/√2= 0.707106781

Q: -1 Determine sin=(cos a) Provide your answer be

A: cosa can be written as sin(pi/2-a) sin and sin inverse get canceled see attached image

Q: If sin 0 = square root 5/3 then find cos 0

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Q: If sin 0 = 2π (77) 11 = Check Answer cos(0) and 0 < 0< then T 2 radians

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Fundamentals of Trigonometric Identities

Trigonometric Identities are the equalities that involve trigonometry functions and hold for all the values of variables given in the equation.