Find the exact values of the following. 1. cos 585° 2. csc 600° 3. sec(-420°) 4. cot 4 117 5. sin 357 6. tan 6 7. cos 420° + sin(-30°) 8. cos+ sin?"

Q: 10. Sec -405 degrees 12. Cot -90 degrees 14. cos 360 degrees  16. sin -225 degrees

A: 10)

Q: What is an equivalent expression in terms of sine for cos(68)?

A:

Q: Find the exact value of cos20 given csce = – -- and tane > 0 Simplify the trigonometric expression…

A: Given that cscθ=-52 and tanθ>0. Need to find the exact value of cos2θ.

Q: 2) Use sum and difference formulas to find the exact value of each expression. a. sin cos 4 cos sin…

A: a)  Sinπ9cos4π9- cosπ9sin4π9 This can be converted in Sin(A-B) As, Sin(A-B) = SinA CosB - CosA SinB…

Q: If cos 0 7 and 0 is acute, find the exact value of tan 0.

A:

Q: Find the exact value of the expression cos 5π/12 cos π/12 + sin 5π/12 sin π/12. Do not use a…

A: Let the given equation be y - y = cos5π12cosπ12+sin5π12sinπ12Let ,A = 5π12 and B = π12Then,y =…

Q: Find the exact value of each expression. (a) sin 39° cos 6° + cos 39° sin 6° (b) (c) sin 75° sin ग…

A: To find the value of given expression.

Q: How do I find sin Q, cos Q, and tan Q with these values: p = 12 q = 35 r = 37

A: The figure of a triangle with side lengths p = 12, q = 35, r  = 37 is  To evaluate : The values of…

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

A:

Q: Use a sketch to find the exact value of the expression cos (sin-1 4/5)

A: given expression: cossin-145we have to find the exact value of the expression

Q: Determine the exact value of cos 45° x tan 60° sin 30°

A: We know, cos(45∘) = 12 ,sin(30∘) = 12 , and  tan(60∘) = 3

Q: if cos A=-0.12 then what is the value of sin(90-A)? the exact value of cot-7pi/6 and sin4pi/3?

A:

Q: Use the cos(x+y) formula and unit circle angles to find the exact value if cos(105)

A: We know that                Cos(x+y)=Cos(x)Cos(y)-sin(x)sin(y) Here we have to find exact value of…