3- 4. O Cos e

Q: – 7 cos(2 + ) 15

A: We have to find the value of x if not exist then We have to write DNE

Q: | 4 cos e de = -

A:

Q: 1 cos 40 2

A: cos4θ=-12, 0≤ θ<2π4θ=2π3+2πn, 4θ=4π3+2πnθ=π6+πn2, θ=π3+πn2Solutions for the range 0≤ θ<2πθ=π6,…

Q: 1) cos Otan e + V3 cos 0 + tan e = tan e

A:

Q: 4 cos 3

A:

Q: 6(cos 좋 +isin좋) 1. 15(cos +isin )

A: Given- 6cosπ3+isinπ315cosπ12+isinπ12 To Solve- The above expression in the form of a+ib. Identity…

Q: 17 8+4 cos 0 %3D

A: The equation of the directrix is in the form of cosine since it is in the denominator hence we use…

Q: - cos 22.5°

A: Given: a) cos 22.5° b) tan9π8 To find: The exact value.

Q: 1. . cos N = COS

A:

Q: 6. cos( 8.

A: (6)Given the trigonometric ratiocos(7π8)

Q: 0 cos n0 do

A:

Q: B O tan-1 cos 13 13 O cos 12

A: In this question we will use basic of geometry i.e use of trigonometric ratios. We will simply apply…

Q: 3 3. If sin A = 4 cos A and tan A.

A:

Q: 39. сos cos $4/5

A: cos-1cos4π5

Q: */2 Cos Jo

A:

Q: θ=−25π/6θ, then sin(θ) =    cos(θ) =

A:

Q: 1. Solue cos ( x - 2) = 7

A:

Q: 5. cos() 7. 6. cos(3) 8. cos(2)

A:

Q: 2. COS 12, 2/2

A: We hev to use properties of trigonometric functions.

Q: 13. ап V21+3п 15. ат — 2" cos пл

A: Follow next step

Q: 4. Simplify the identity: cos 2 x - 1 Cos x + 1 COS

A:

Q: Σ 11 cos n=1

A: We will use the concept of nth term test.

Q: = 6| cos +isin - 3 6. Given: 3 w = 2 cos–+isin 6. 6 )

A:

Q: 12. sinº0 + cos°0 = 1- 3sin? Ocos²0

A: To Prove: sin6θ+cos6θ=1-3sin2θ.cos2θ

Q: 3. In (cos)

A:

Q: 5) r= 2-3 cos O

A: The given equation r=2-3 cosθ

Q: 9) csc-¹ (cos 0)

A: We have to solve the given trigonometric form

Q: Homework: de 1-cos 0 1. S-

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

Q: 6) cos K = 27 .K 36 45

A: cos K=adjacenthypotenuse=KZXK=2745=35=0.6

Q: 4 CSC cos 5.

A: Given: csccos-145 To find: The exact value of the expression.

Q: -1 cos COS 2)

A: Given: - The expression is, cos-1-12 To Evaluate: - The solution of the given expression.

Q: 7) 300° Pos Neg Sin Cos

A:

Q: 2л sin O te! 4+ cos 0 -do

A:

Q: snip

A: cos1°+cos2°+cos3°+---+cos358°+cos359°

Q: 27 cos 0 de O 1 6.

A: Using definite integral.

Q: = n(1 cos- n -

A:

Q: 4(cos135 Cos 1 5)

A:

Q: B 12 20 und cos(B)

A:

Q: 39. cos (7 + x)

A: As per the company policy i can answer only first question for you, more than one answer leads me…

Q: 7. *cos(2) dr 7.

A:

Q: 8(x)=cos x,[0,2=]

A:

Q: 10. 3 sin 30 cos Od0

A:

Q: 2 cos (70) cos 0

A: The objective is to solve the above question.

Q: 00 π Esin 7n n=1 00 π Cos 13η n=1

A:

Q: Qshow that: Cos 40 8 Cos"e +8 Cos e+1

A:

Q: 3+ cos(k) ek 6. k=1 8WI

A:

Q: 1 Cos(2) COS is equal 2]

A:

Fundamentals of Trigonometric Identities

Trigonometric Identities are the equalities that involve trigonometry functions and hold for all the values of variables given in the equation.