Which of the following are identities? - sin(-a) А. cos(-a) tan a B. sec 0 – sin 0 · tan 0 = cos 0 C. (sin x + 1)² + cos² x = 2 sin 0+cos 0 cos 0 D. = tan 0 + 1 O B, D O A, B, D О А, В, С O All are identities.

Q: 5. Prove the following identities, where the angles involved are acute angles for which the…

A: Introduction :

Q: Which expression is equal to + tan x using identities? tan x 1. sin x COS sin r cos e O sin z cos

A:

Q: How do you solve this?

A: Given that cos x = 1/3 and x is in the interval (0, π/2) and sin y=1/4 and y is in the interval (…

Q: Verify the identity. tan 0. cos e• csc 0 = 1 Which of the following four statements establishes the…

A: This is a basic trignometry question

Q: EX-10 - Prove the following identities: a) Sin( A+B)+ Sin( A-B)= 2.SinA.CosB Sin( A+B) b) tan A+ tan…

A: Using trigonometric function

Q: What's More Practice Time! A Prove each of the following identities. 2. CSC A cos A tan A + cot A =…

A: Note:  As per bartleby guidelines for more than one questions asked only one question is to be…

Q: Which of the following is FALSE? 01+ tan? x = sec? æ 1 sec x = CSC x O cot x sin x= cos x = COS X O…

A: Solution ) We know that  1) 1 + tan2x = sec2x 2)Sec x = 1/ cosx 3)Cotx sinx     [ cotx = cosx/sinx]…

Q: Vhich of the following IS an identity? sin( – x) = cos(90° – x) 1 O tan( – x) cot(90° – x) O…

A: Identity is satisfied by each and every value of domain of a function and always holds.

Q: Prove algebraically that 1- tan? z sin(2r) ne 4 %3D 2 tan r cos? z - sin z The RHS (right-hand side)…

A: Please go through the attached solution.Thankyou . Best regards.

Q: 4. Which of the following is an identity? a) sin? u = 1+ cos? u c) sin? u = 1 -1/ sec? u b) cot u =…

A: 4. Identity5. cscx-1sinx-16.1cscxtanx+cotx

Q: Prove the identity. cof(x+ 풍) + ain(x-) -。 Use the Addition and Subtraction Formulas, and simplify.…

A: Given,            cosx + π6 + sinx - π3=0

Q: II. Find tan (A +B) and tan (A - B) if: 5. cos A = - and sin B =, both A and B in QII.

A: As per bartleby guidelines we only give first question answers.

Q: cos(x + y) cos(x – y) = cos? (x) – sin²(y)

A:

Q: 20. Which expression is equal to + tan x using identities? tan x cos a 1 sin a cos x 1 sin x sin x…

A: According to the tangent identity, tan x=sin xcos x. So, substitute tan x=sin xcos x in the…

Q: III. Verify the identity. 5.) 1-Cos 2x tan?x %3D 1+ cos 2x

A:

Q: Verify the following identity. cos 0+ 2 sin 0 Which of the following four statements establishes the…

A: we have to verify the following . Fir this we can use the trigonometric identity

Q: Which of the following is equal to sin(27 – 0)? sin(0) cos(0) sec(0) csc(0) tan(0) cot (0) - sin(0)…

A:

Q: 5. Verify the following identities. sin(A+ B) cos A cos B a. = tan A + tan B b. sin = cos 0 sin 6 с.…

A:

Q: Which of the following is true? sin x dæ = - In | cos a+C tan x da = In cos a + C O DIn(tan x)] = 2…

A: Topic = Derivative and Integration All others are false only this is true ddxlntan x==2 csc 2x ⇒True…

Q: 13. Which expression is equal to + tan r using identities? tan z COS z sin z cos r sin z sin z cos z

A: 1tanx+tanx

Q: Prove the following 2 tan 0 a sin 20 1+ tan? 0 2cos' x-cos x b cot xe sin x - 2 sin' x

A:

Q: Complete the identity. sin 2x- tan x = ? O A. tan x cos X O B. - tanx cos 2x O C. tan x cos 2x O D.…

A:

Q: Prove the following identities: sin (y) + sin (3y) + sin(5y) + sin(7y) = 4 cos(y) cos(2y) cos(4y)…

A: We know that, sin A+sin B=2 sinA+B2cosA-B2

Q: ve the following identities! no tan 0 sec 0 cosec e cos e 1+cos e

A: Please refer to the image below

Q: Which of the following is cos? (x)? O 2 sin(x) O-2 cos(sin(x)) O-2 sin(x) cos(x) O 2 sin(x) cos(x)…

A: On differentiating,we get

Q: Which of the following identities is FALSE? O tan? 0+1= csc2 e CSC O tan 0 sin 0 cos e O sin 0+ cos…

A:

Q: 1 cos 0 Prove the identity = tan 0. coc A 1tcin A

A:

Q: Establish the identity. cos (a + B) cos a cos B = 1- tan a tan B Choose the sequence of steps below…

A:

Q: m -1 :If tan A = n tan B and sin A = m sin B, prove that cos A = n -1

A: Given that  tan A=n tan B sin Acos A=nsin Bcos B ................equation 1 also given that  sin A=m…

Q: Verify the identity. cos x cot x= cot x- sin x cos x Which of the following four statements…

A: It is given that, cos2x cotx=cotx-sinx cosxWe have to verify it.

Q: Prore each of the following identities: (ii) (1+cot 0)sin 0 1 1 (1) (1-cos 0)cosec o=1 rie-1)cot 0 1…

A: "Since you have asked multiple questions, we will solve the first question for you. If you want any…

Q: 5. Prove the following identity 1-cos x tan? 1+ cos x 2. 2.

A:

Q: IDENTIFY THE FOLLOWING IDENTITIES 1. sin(-x) = -sin x 2. cos(-x)= cos x cos x %3D 3. sin x + = 1

A: 1. Sin(-x) = Sin(x) 2. Cos(-x) = Cos(x)  3. Sin2x + Cos2x = 1 Repost the 4,5,6,7,8,9,10 and 11 .

Q: XII D. Prove the following identities. 4. cos3a = 4 cos' a- 3cosa tan x+cotx 9. cotx-tan x = sec 2x

A: Given :

Q: 8. Verify the following Trigonometric Identities 1- cos?x a. sin x tan x = cosx b. sec x - cos x =…

A:

Q: Verify the identity. csc e• cos tan 0=1 Which of the following four statements establishes the…

A:

Q: Prove identity (1+ a) (1 – cos a) = tan? cos æ) sec x x cos x

A:

Q: 1 12. Which expression is equal to + tan z using identities? tan z sin a cos a cos a 1 sin a cos e…

A:

Q: 113. An Identity Involving Three Variables Suppose x = R cos 0 sin o, y = R sin 0 sin o, and z = R…

A: x=Rcosθsinϕ,  y=Rsinθsinϕ  &  z=Rcosϕ. Now consider,…

Q: Verify (cos(a+b))/ (cos a cos b)=1-tan a tan b.

A:

Q: Verify the following identity. Cos 0+ 21 sin 0 Which of the following four statements establishes…

A: we have to verify the following . For this we can use  Cos(A+B)=cosA.cosB-sinA.sinB

Q: v.' Verify the identity. 9.) cos x · cot x = csc x- sin x

A: Given: cosx·cotx=cscx-sinx   We know that the trigonometric identities; 1). sinx=1cscx 2).…

Q: 40. Verify the following identities. a) sin (2r) = tan x (1 + cos (2x)) cof (20)3극(cot0-tan e) b)…

A: sin2x=tanx(1+cos2x)we know that…

Q: 1. Which of the following identities is not true? 7tana A. sin 2a 2 sina cos a B. cos Za cos-asin a…

A:

Q: Can you show me the proof step-by-step for this please

A:

Q: Which of the following is equivalent to [sin(-x) + cos(-x)]? 1 - 2sinxcosx O 1 O 1+ 2sinxcosx O…

A: Use Trigonometric identities and simplify.

Q: Prove the given identity. tan x-cot a =– cos 2x cot x+tan a

A:

Q: Use the fundamental identities to match equivalent expressions. cos(0) + 1 tan(0) 1 а. cos(0) – 1…

A: Required solution for above questions are given below ;

Q: Which of the following is a correct formula for sec(x)"? cos(x) sin°(x) All of the others are…

A: Consider the equation

Q: Which of the following expression is equal to cos2 0+ sin? 0-sec 0 cos 0? | A. sec 0 csc 0 +1 B. cot…

A: