1. Express each as a single trig ratio. a) Gos 20a cos 5a- sin 2 Oasin 5a b) sin 95° cos 45°- cos 95° sin 4 5° (曾- c) cos? -sin? |

Q: Simplify each expression to a single trig function or number

A: Given function is, sinxcosx1-cos2x

Q: 9) cos e 270

A:

Q: 4. Simplify, using the double-angle formulas: 1-2 sin² (15⁰)

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Q: 2) Use a double-angle formula to simplify: sin (10z) cos (5r)

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Q: Find each co-function. a) sin 18 b) tan 31° = c) cos(-종) 3: COS

A:

Q: 17) sin? 0(2 sec? 0+3csc? e) csc? 0 - cot? 0 + sin? 0 18) 1- cos? 0 cos? 0- sin? 0 19) 20)…

A: 17) Identities to be used to simplify the above expression are, Now simplify the given expression.…

Q: Find the value of each expression without using a calculator. 1.) a. sin 180° b. cos 180° 2.) a.…

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Q: Give the exact value of each expression in simplest radical form. 33.) a. cos 45° 34.) a. sin(-45°)…

A: Since you have posted multiple questions, as per guidelines we are supposed to answer only first…

Q: Cosa Sina sec?a- tan?a secd CSCK

A: cos αsec α+sin αcsc α=sec2α-tan2α

Q: c) cos (315 °) d) sin (-30°) e) cos (330°) f) tan (150°) g) sin (225°) h) cos (210°)

A:

Q: sing = -3. cos a is negative, and cote is positive. %3D sece = -13/5 -13/12 -5/13

A: NOTE: Refresh your page if you can't see any equations. . here we have

Q: 9) Simplify each trigonometric expression. cos? e a. 1- 1+sin 0 b. sec 0 · sin 0

A: We know the formula sin2θ+cos2θ=1 9(a)=1-cos2θ1+sinθput    cos2θ=1-sin2θ=…

Q: tan 150° sin 240⁰ sin 330⁰ cos 210⁰

A: To solve the following.tan 150°sin 330°sin 240°cos 210°