25. If csc d = 4 and sec 4 > 0, which corectly gives the exact values of cot A and cos A? 4√15 15 B. cot A = (15: cos a = 15 A = 4 A. cotA= -√15: cos A = √15 15 C. cotA=-- D. cot = - -: COS A = √15 15 ; COS A = 4√15 15 √15 4

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

A: 10)

Q: Find (ot (Sin-¹) (-1))

A: cotarcsin-36Use the following property: arcsin-x=-arcsinx=cot-arcsin36Use the following property:…

Q: Given Cos@=-, 90°cQ<186' find cos

A:

Q: The expression sinx 1–cosx Select one: O a. (sinx)(1-cosx), x # 2n π, nel b. C. is equivalent to…

A: Here we have to find the equivalent expression of the given one.

Q: Determine the Quadrant in which angle O is located if cos &lt; 0 and tan 0 &gt; 0 (please see…

A: The problem is asking us to determine the quadrant in which an angle O is located given that cos(O)…

Q: The point (-5,3) lies on the terminal arm. Determine the exact value of cos 0. Show all work.

A:

Q: arctan[2 cos(³)] is equal to: COS

A: Given that the expression arctan2cos32. Find the value of arctan2cos32.

Q: In the process of calculating that: cos³ (112) de a substitution is made in the variable u, then it…

A: Given query is to find the integral after substitution.

Q: Q4. Find the exact value of (you can do this by sketching the angle and using reference angle) (=)…

A: Please refer the attached image for complete solution.

Q: 9. Determine the correct simplification of the expression (1 + cose)(1- cose).

A: SOLUTION-

Q: Find cos\theta if cot\theta =(2)/(3) and \theta is in Quadrant III.

A:

Q: 2) cos 9 **

A: This is question of trigonometry Here angle is given We have to find trigonometric function for that…

Q: Compute without using a calculator.

A: Explanation: We know that,  cosx=sinπ2-x Now  cos3π2=sinπ2-3π2              =sin(-π)…

Q: Sketch the point (5,-12) on the terminal side of angle 0 in standard position. Use 0 to evaluate the…

A:

Q: At which angle is cos Ⓒ =-1? 0 O 2 OTT

A: Given query is to find measure of the angle.

Q: State the amplitude and period f(t) =cos of cos (3t)

A: Given Find amplitude and period  ft=78cos3t

Q: What is the exact value of cos- (sin a) where a = 13T radians? 4

A:

Q: Express sin670 + cos750 in terms of trigonometry ratios of angles between 00 and 450

A:

Q: 1 what are possible values of cos x and tanx? 2 If sinx= Select one: V3 and tanx= 2 1 a. cosx= V3 V3…

A: Consider the right triangle with one angle x degree. Let a be the length of the adjacent side and b…

Q: y 5 find cos 20 Sin e= where oso<90

A: Given query is to find cos 2θ.

Q: EXERCISES4 1. cos 8 cot 0 2. CSc 8 tan 0 sece 3. csce sin 8 4. csc e 5. sec 0 tan 8 csc e

A: 1. cos θ cot θ2. csc θ tan θ3. sec θcsc θ Note:    Multiple parts are given, we are able to answer…