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

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: Express cos (a) in terms of cos(2a). Express sin (a) in terms of cos(2a). cos² (a) COS sin (a)

A: (a) We have to express cos2α in terms of cos2α.

Q: epresent 3 sin x + 6 cos x in a form A sin(x + p), use radians for p.

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Q: Let sinA=-4/5 with A in QIII and cosB=-3/5 with B in QII. Anwer Exactly. Find sin(A-B), cos(A-B),…

A: Given,

Q: Find the exact value of each expression, if it is defined. (If an answer does not exist, enter DNE.)…

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

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Q: 2/5 If cos a = and sin a < 0, find the exact value of cos (a +) Show the formulas you are using.

A: The trigonometric function value is given by cosα = 255 and sinα&lt;0 To evaluate : The value of…

Q: tan x= -4 and sin x is negative

A: Here tanx=-4we know trigonometric identity,sec2x=1+tan2xsec x=±1+tan2xsec x=±1+(-4)2sec…