sin 20 Cos0 1+ Cos 20 = tan 1+ cos0

Q: Establish each identity.

A:

Q: tan 0+sec 0-1 1+sin e 8. %3D tan 0-sec 0+1 cos 8 Proof:

A: Topic:- trigonometry

Q: sin (7π/6) + cos (3π/2)

A: Given,

Q: -1 7. tan ¹ (tan 5) 8. COS -¹ (cos)

A: As per rule of bartleby we can solve only one question at a time and we can solve only three subpart…

Q: Cos 40 x Cos 50 - Sin 40 x Sin 50.

A:

Q: Establish each identity.

A: To establish the identity: sin(4θ)+sin(8θ)cos(4θ)+cos(8θ)=tan(6θ) Solution: We know,…

Q: cos x-cos(5x) Prove identity: tan(2x) sin x+sin(5x)

A:

Q: Establish each identity.

A: The trigonometic formula is given by: sin A cos B -cos A sin B=sinA-B

Q: cos(282°) cos(33°)– sin(282°) sin(33°) - Cos(3159) 2.

A: cos (282°) cos (33°)-sin (282°) sin (33°)Now, we know that cos(x+y)=cosx cosy-sinx sinySo, cos282°…

Q: 1. If tan x = 2 then tan( - x) : %3D 2. If sin x = 0.7 then sin( – x) 3. If cos x = 0.7 then cos( –…

A:

Q: Establish each identity.

A: given,

Q: Establish each identity.

A: Consider the given identity sin θsin3θ+sin5θ=cos θcos3θ+cos5θ   Consider the LHS LHS=sin…

Q: (sin 5x + cos 5x)

A:

Q: 1 cos²0 1 sin 9 1 tan 8 + tan 8 + || || Trigono 1 sin² 0 cos²0 1 sin cos 0

A:

Q: Sin(50)Sin(80)cos(50)cos(80)=?

A: See attached file for a step by step explanation.

Q: 3 ) -5 cos (sin-1 () tan (cos-1 (=12)) cos ( 7. COS

A:

Q: Establish each identity.

A: Given identity is  sin4θ+sin2θcos4θ+cos2θ=tan3θ

Q: 3 7 sin cos 225° 2 Cos 4 sin (– 5") 3 tan 315° tan 150°

A: The objective is to find  the required values

Q: 1- sin 3 Cos B 1+ sin 8 Cos 3

A: We have prove the identity 1-sinβcosβ=cosβ1+sinβ , using trigonometric properties or mathematical…

Q: 7.) tan 0 sin 0 + cos0 = sec 0

A:

Q: sin 20 + 2 cos 2 0 Verify the identity tan 0 + 2 cot 0 = sin 0 cos 0

A: Solve the given identity

Q: Sin 20 + cos20 +1 Sin 20-cos20 +1 - - сото

A:

Q: establish each identity.

A: Our Aim is to prove sin θ cos θcos2 θ-sin2 θ=tan θ1-tan2 θ -(i)

Q: Establish each identity.

A: Given cosθ-cos5θsinθ+sin5θ=tan2θ

Q: 39. cos (7 + x) 40. sin(27 - x) 41. sin 42. cos + x 2

A:

Q: 5 sin coso do 2 Sin ² + 3 sin 0 -4

A:

Q: 1. If tan z = - 0.5 then tan( – æ) - 2. If sin z = 0.5 then sin( – æ) = 3. If cos a = 0.2 then cos(…

A:

Q: 3. sin[cos¯(4/5) – tan-'(3/4)]

A:

Q: sin 25° tan 65° tan 25° cos 65° -

A:

Q: sin 40°+ sin 130° (5) tan 315°. cos² 210° sin 10° + sin? 100° - cos 200° (7) CoS sin(-20°) cos 250°

A:

Q: Sin 22.5 × cos 22.5

A: To find: The value of is . Formula used: Trigonometry formula:

Q: Establish each identity given in attachment.

A: Given equation: 1+cosθ+sinθ1+cosθ-sinθ=secθ+tanθ

Q: sin(180-0)=. cos(180-0). tan(180-0)-.. sin(180°+0)=.. cos(180*+0)=. tan(180+0)-.

A: Study the given activity carefully.

Q: Ask the paper questions 2-8

A:

Q: cos(180°+ x). tan(360°-x).sin² (90°- x) 2. + sin x 5.1 Determine the value of sin(180° -x)

A:

Q: 1. If tan x = -3.5 then tan(-x) = %3D 2. If sin x = 0.8 then sin(-r) = 3. If cos 0.6 then cos( r) =…

A: We know that  sin(-x) = -sinx cos(-x) = cosx tan(-x) = -tanx cot(-x) = -cotx sec(-x) = secx…

Q: 13 7. tan | sec 5. -1 4 8. sin cos I5 9. sin (sin n) 10. csc (sec '2)+ cos (tan 3

A: NOTE: As per our guidelines we are supposed to answer only one question if there are multiple…

Q: 1. If tan a = - 3.5 then tan( – 2) = 2. If sin æ = 0.4 then sin( – æ) = 3. If cos x = 0.9 then cos(…

A: 1.  tan is negative in 4th quadrant tan(-x)=-tanx= 3.5 2. sin is negative in 4th quadrant…

Q: tan 6+ sin 0 cos 2 2 tan e

A:

Q: tan 225° - cos? 215° (3) tan(-35°) sin(-35°)· cos 35°

A: Topic: trigonometry

Q: cos x – 1.75 = -1 COS X sin(4x) = 2 – sin 4x 4 tan(2x) – 1 = 3

A:

Q: 2 sin 0 + sin 2 0 =0 with 0degrees

A: To solve:2sin0+sin20=0

Q: sin 20 tan 0+ sin 0 Prove the identity algebraically for all permissible values of 0 and 2 cos? 0…

A:

Q: sin cos 4 12 cos sin 12 4

A:

Q: cos(sin (0.1612)) -0.0131 O 0.9869 O 2.9869 O -1.0131 O 1.9869

A: sin^-1(0.1612)=0.1619064343923739 cos(0.1619064343923739)=0.98692175981 that is equal to =0.9869

Q: [(sin(180° - 0))(tan (90° + 0))]/(cos(360° + 0)) + (csc(270° - 0))(sin(57/2 - 0))

A: Given (sin180°-θ) (tan90°+θ)cos(360°+θ)+csc(270°-θ)sin5π2-θ

Q: sin 50 Show that 16 cos 0 – 12 cos² 0 + 1. sin 0

A: given,

Q: sin? ( * ) = 3 1- sec 2 ( * ) 3 1+ cos 2 ( *) 3 1- cos 2 ( * ) 3 1+ sec 2 ( * ) 3

A: Given query is to find the correct option.

Q: sin2 (5) : O cos2 () csc2 ( ) O csc2 ( 4) O cos2 ( 4)

A:

Q: tan(sin^−1(3/4))

A: The objective is to find the required value