2. Find the identical expression for the following. cos x(tan² x + +1)

Q: Find the exact values of the following, if they exist. a. cos-1 V2 C. arccos (cos T) b. cos (cos-(-)…

A: (a) cos-122 = cos-112 Let y = cos-112cos y = 12cos y = cos π4y = π4 Hence cos-122 = π4

Q: 17 Find the exact value of cos20 given csc0 and -< 0 < TI 8.

A:

Q: 8. Find the exact value of cos 75°.

A: Given cos75°We need to find th exact value of cos75°

Q: 18. Find the exact value of the following expressions. Simplify. 7 cos arctan V3 a) b) tan cos 4

A: Here we calculate the value

Q: Suppose that cos θ = 2/5. Calculate tan θ in the following two cases: (a) 0 <θ< π/2 and (b) π<θ< 2π.

A: Given cosθ=25,                      (1)We know that ,sin2θ+cos2θ=1sin2θ+252=1Subtract  252 on both…

Q: Q4/ Find the value of the following: cos (tan-1 1) 1) sin (sin-) 2) 3) tan - (cos n) 4) cos(sin)

A:

Q: 2.) Find the exact value of: a) cos COS b) sin 75°

A:

Q: Which of the following is the function rule for the graph of the sin function from 0 to 2 T if the…

A: Explained below

Q: Find the exact value of the given expression. co(2 tan-(승)) cos 2 tan

A:

Q: 7T Determine the exact value of Cos

A:

Q: . Find, without using tables, the values of Cos x and Sin x, when Cos 2x is : 1/8

A:

Q: Use the following information to determine cos(2x). tan(x) = -4 and cos(x) is positive %3D Answer…

A: 1+tan2x=sec2x cos(2x) = 2cos2x-1

Q: Which of the following is equivalent to cos B(tan-ß + 1) for all values of B for wh cos B(tan-ß + 1)…

A:

Q: 6. Find the identical expression for the following. cofr -) cos x

A:

Q: 4. Find the exact values of the following, if they exist. a. cos-1 2 C. arccos (cosn) b. cos (cos(-)…

A: According to our guidelines we can answer only three sub-parts and rest can be reposted.

Q: 37 where < < B <2r, find cos (a + B) 2 a<n and cos B = - where Given tan a =

A: We have cosα+β=cos α cos β - sin α sin β tan α=-43⇒cot α=-34⇒cosec  α=1+cot 2α=1+916=2516=±54sin…

Q: find the exact values of a) sin(2x), b) cos(2x), and tan(2x) with out solving for x if cos x= -1/2…

A:

Q: Let cos(22∘)≈0.9272. What is the the value of xx, in degrees, for sin(x)≈0.9272 ?  what does X = ?

A:

Q: 1. Which of the following is the value of n so that a. 0 b. 1 tan tan"x cos³x dx = c. 2 d. 3 1 sin³x…

A:

Q: 7. Evaluate the following. a. cos b. tan-(-1)

A: To evaluate: a) cos-1-32 b) tan-1-1

Q: Given that cos(x) = 0.75, what is cos(-x)? Provide your answer below: cos ( – x) =

A:

Q: 13. If cos 0 has a negative value and tan 0 has a positive value, find a and b such 0< a < 0 <b < 2n

A: Cos X is positive in 1st and 4th quadrant. Tan X is positive in 1st and 3rd quadrant.

Q: Given: tan 0 = where 180 <0 < 270 Find: cos 2. -V5 V5 1/2

A:

Q: Find the identical expression for the following. sin4 A -cos 4A

A: Given, The expression  sin4A-cos4A  We have to find the identical expression for  sin4A-cos4A.

Q: Find the exact value of each of the following under the given conditions: (a) sin(∝ + β ) (b) cos (…

A:

Q: Evaluate the expression under the given conditions. 5 O in Quadrant IV, tan(@) cos(0 – 4); cos(0)…

A:

Q: Suppose cos la-B)=4 and cos B=7 25 If P ca-B) is in QII and p (B) is in f : i pind the value of tan…

A: This is a trignometry problem

Q: 2-Find O for: y3tan? (cos x).

A: Using Chain rule we can solve the given derivative problem

Q: 8. Apply the formula for cos (A-B) to the identity sin 0= cos E -0) to obtain the addition formula…

A: We have the Identity: sin θ=cosπ2-θ Now, we have sin(A+B)=cos π2-(A+B) (Using above identity)…

Q: Find the exact value of the following expression. cos - 1(0) COS

A: Find the exact value of cos-1(0).

Q: Select the correct cos x and tanx for the figure below if sin x 13 tan x = 12 12 tan x = 13 12 COS x…

A:

Q: 3. Find the exact values of the following: 4л a. cos 3 11a b. cot

A: It is trigonometric ratio problem.

Q: 15. Find the following EXACT: (a) sin[cos'(2/3)] (b) sin[tan(-6)]

A: We use sin[cos-1(x)]= √(1-x2) and sin[tan-1(x)]=x/√(1+x2)

Q: 37 Determine cos(2.4) given that tan A =-, where A<A<- 2. 1/3

A: Given: tan A=13 to find cos2A where π≤A≤3π2 The formula for cos2A=2cos2A-1 or cos2A=1-2sin2A or…

Q: 1. Find the exact value of the expression. cos(255°) Lan(㈜)+tan(㈜). tan) a. b. 1-tan(

A: Use formula COS(A+B)  and Tan(A+B)

Q: Which of the following represents the ratio for cos 0 ?

A: Given: (3,-23)

Q: (7) Determine the exact value of cos 4

A: By trigonometry ratio ,we get

Q: 3 , x in quadrant I, then find (without finding x) 5 If cos x = - sin(2x) cos(2x) = tan(2x)

A:

Q: ind on the error that can result if cos(x) is approximated by 1 - (x2/2!) + (x*/4!) o Enter answer…

A: Here we have to find an upper bound on the error that can result if cos(x) is approximated by…

Q: 5. Which of the following quantities is undefined? (a) sin-'(-}) csc-"(}) (b) cos-'(2) (d) csc-'(2)

A:

Q: 9. Use the appropriate identity to find the exact value of the trig function given that 5 sin a = 13…

A:

Q: Find an exact expression for cos 5. 16

A:

Q: 12 If cos(a) = with T<a<- compute the exact value of the following: 2 cos(2a)=| sin tan)- 2

A: cos(α)=-22 with π&lt;α&lt;3π2

Q: Solve for tan(A – B) if sin(A) = and A is in Q1 and if cos(B) = - and B is in Q3. 25 [Hint: Use the…

A: Given: sin(A) = 4/5 and A is in Q1 and cos(B) = −7/25 and B is  in Q3.

Q: Find the exact value

A: (a) We know that, coscos-1 x=x Therefore we get, coscos-1-0.5=-0.5

Q: Which of the following is a valid expression for cos ¹ x? 04-sin-¹ a 01/2+ + sec¹ a 1 sec-1 01-…

A: The given expression is cos-1(x)We have to find the valid expression for cos-1(x)

Q: 3. #5. If tan 0: and sin(0 + T) > 0, what is the exact value of cos 0= 2

A:

Q: For cos x = * with a terminal side in Quadrant IV and csc y = with a terminal side in Quadrant II.…

A: Given that cosx = 8/17 and cscy= 29/21. Now find sin(x+y) and tan(x+y). Here i attached solution of…

Q: /21 find the value of 5 3 - tan 0. cos 0 :15. Given that cos 0 =

A:

Q: 8. Given that cos 0 = and 90° <0 < 180°, find each of the following. (e) tan

A: