prove the following identities: cos² (y) - sin² (y) 1 - tan² (y) = cos² (y).

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Q: If tant = what is tan (t - π)? Enter the exact answer. tan (t = π) = - AY

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Q: 1. (a) Carefully graph f(x)=sin(x) from 0 to 27 by plotting points every radians.

A: Hey, since there are multiple questions posted, we will answer first question. If you want any…

Q: Suppose cosx=-1/3, 0<x<pi. Find the exact value of tan(x/2).

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Q: (a) If sin t = 0.31, find sin(-t). sin(-t) = (b) If sin o = -0.44, find sin(-6). sin(-ø) = (c) If…

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Q: Given cos(a)= and sin(a) <0, calculate the exact value of cot(a) and csc(a). Show your work.

A: We need to find out the value of cot(a) and

Q: 2. Apply the properties of even and odd functions to find the exact va a. sin(-120°) (-#) c. sin…

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Q: Find the solution set of the trigonometric equation (4 cos“ a + 2 – 3 sin æ)(tan e + 1) = 0 where 0…

A: We need to find solution set of given equation.

Q: Suppose sin(0) = -2/3 where 0 lies in Quadrant IV. Use this to find tan(20).

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Q: If sin A=1/√10 with A in QII find cos 2A.

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Q: > > > If cos a=−2/11 and tan a>0, find the exact value of csc a.

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Q: If cos(0) 7. and 0 is in the 4th quadrant, find sin(0) 8. sin(A)

A: Since, cos θ=78and θ is in the fourth quadrant.Our Aim is to find sin θ=?

Q: FTi csc x = 4,90° < x < 180°, then %3D sin cos %3D tan %3D II II

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Q: Use the double-angle formula for cosine to compute cos(20) given cos( os(0) = where 0 <0<. 79 90

A: Given.

Q: 61-62 - Determinants of Special Matrices Evaluate the determinants. 0 0 a a a a a a b a a a a 61.…

A: Hello. Since your question has multiple parts, we will solve first question for you. If you want…

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…