10 sin (55°) cos (101°) O A. 5(sin (156°) + sin (– 46°)] B. 10[cos (156°) + cos (- 46°)] O C. 5[cos (156°) + cos ( – 46°)] O D. 5[sin (156°) – sin (– 46°)]

Q: 9 Find 0 if 0 < 0 < 2n and: e cos 0 = - f sin? 0 = 1 9 cos? 0 : 1 %3D /2

A:

Q: 24 cos 4x – 32 sin 4x а. (с, + 4x) сos 4x + (c, + 3х) sin 4x b. c,e2x + C2e 3x + 3 sin x C. none of…

A: follow the next step

Q: Find the exact value of the expression. sin 4 12 sin 4 12 CoS Cos 1 O A. 4 V3 О в. 1 О с. 2 O D. 1

A:

Q: If sin 0 + sin²O = 1, then cos40 + cos³0 + 2cosg = %3D %3D A) O B) -1 C) 1

A: To find: The value of cos4θ+cos8θ+2cos6θ. Given: The equation is sin θ+sin2θ=1. Formula used: The…

Q: 4 cos 3

A:

Q: Find sin x/2, cos x/2, and tan x/2from the given information. tan(x) = 2√2,   0° < x < 90°   sin…

A: Given Data The trigonometry function is tan(x)= 2√2. Then the interval is 0°&lt;x&lt;90°.   Solve…

Q: 18. tan A = 8.4 19. cos A= 0.05 20. cos A = 0.72 21. sin A= 0.61 Choices for 12-21

A: Given query is to find the indicated angles.

Q: 2. If 5 sin 0 + 12 cos 0 = 13, then what is 5 cos 0 - 12 sin equal to? (a) -2 (b)-1 (c) 1 (d) 0

A: Here

Q: exp(exp(-in)) coS TT -1sin Tt -0.3679 - exp(cos Tu i sin Tt) 1 Sin 0.3679

A:

Q: Perform the indicated operation. 3. [4(cos 60° + i sin 60°)][6(cos 330° + i sin 330°)]

A: We have to solve given Questions.

Q: 7. The value of 2 cos (sin-1 (-0.6)) is: C. 0.8 D. -0.8 A. 1.6 B. -1.6

A: To find: The value of 2cossin-1-0.6. Formula used: cos-x=cos x Inverse trigonometry relation;…

Q: 8. sin 2a = Zsn AcosA 24 25 12 25 9. cos 2a =

A: 8sin(2α)=2sin(α)cos(α)Let…

Q: A = %3D (b) If cos (2a) – sin (2æ) = cos( %3D B =

A:

Q: Suppose that sin(a) = 4/8 and cos(b) =3/8 define in the first quadrant, determine sin(a+b). (round…

A: We have the relation,                cos2x+sin2x=1   If sina=48= 12                 cosa=1-sin2a…

Q: 13. ап V21+3п 15. ат — 2" cos пл

A: Follow next step

Q: Which of the following is equal to cos 0 1 - sin 0 1 + sin 0 [A] cos O 1 + csc 0 [B] csc 0 1 [C] sin…

A:

Q: 2. Find the value of e a. 2 sin? 0 - sin 0 -1 = 0 0 if 0°<0<360° for 2 cos? 0- cos 0 -1 = 0 b.

A: a) The given equation is, 2sin2θ-sinθ-1=02sinθ+1sinθ-1=0sinθ=1⇒θ=4n+1π2, where…

Q: sin (1) Using an appropriate substitution, evaluate: [2+ cos(1) ]* 1 +C A 3[2+ cos(1)]³ 3 B +C [2+…

A: topic - Indefinite integration

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

A: a) cosA-B=cosAcosB+sinAsinBPut, A=π2, B=θThen,  cosπ2-θ=cosπ2cosθ+sinπ2sinθ…

Q: Find a particular solution to -5 4 " + (2t). CoS -2 1

A:

Q: 1) Using the formula: cos(x + y) = cos x cos y – sin x sin y, prove in steps 1+cos 2 x that: cos? x…

A: In the question it is asked to calculate the solution of cos2x=1+cos2x2 using the formula cos(x+…

Q: 22. Given that4 cos 0 + 3 sin 0 = R sin(0 + a), the value of R and tan a are respectively 3 A 25…

A:

Q: 1 1 1 cos a + cos 3a Cos a + cos 5a 1 Cos a + cos 7a +.... + cos a + cos(2n + 1)a 1 cosecaftan(n +…

A: Given that, We have to prove that, Consider the nth term of the left-hand side, By using the…

Q: 14. Find the exact value of sin(-) if cos(r) 1 and 270° < x << 340°. ii) ii) - 2 iv) not listed

A:

Q: 3. Find the exact value of cos(67.5 ) sin(1 12.5 ) a. b. cos165°

A: Question 3 -

Q: 2. Find the exact value of the following a. cos 12 b. sin (70°) cos (40°) – cos (70°) sin (40°)

A:

Q: 10. cos (2x- 1)° = sin (75)° %3D Answer: 13. sin (x + 77)° = cos (x- 9)

A: To find the value of x  10. cos(2x - 1)° = sin(75)° 13. sin[(1/2)x + 77]° = cos(x - 9)°

Q: 15. What is the exact value of cos (-15°)? O v6-V2 4 V2-V6 4

A: Cosine formula is given as, cosA-B=cosAcosB+sinAsinB Some values of trigonometry are,…

Q: sin( 2. Consider a qubit in the state where e e R. Show that the probability of i cos(9) ) ;…

A: Given :Intitial state |ψ&gt; = Sinθi CosθWe know:σX = 0   11   0

Q: Show the solution for  (1 + cos A) (1 - cos A)

A: Explanation of the solution is given below..

Q: 9 Find 0 if 0<0 < 2m and: b sin 0 = a cos 0 == C cos 0 = -1 %3D %3D Cos A sin? A = 1 cos? A = 1

A: Solution:- This can be calculated according to quadrant

Q: 137 What is the exact value of cos () 12 Võ+v2 4 4 4. 2

A:

Q: 11. Which is a conditional equation? A. sin x cos x = 1 C. sin? x + cos² x = 1 %3D B. Vsin? x + cos?…

A: As per our guidelines we are supposed to answer only one question

Q: uppose that sin(a) = 2/8 and cos(b) =1/9 define in the first quadrant, determine cos(a-b). (round to…

A: NOTE: Refresh your page if you can't see any equations. . here we have

Q: Find all solutions to 2 cos(0) =1 on the interval 0 < 0 < 27

A: Proceed as shown below

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

A: By trigonometry ratio ,we get

Q: 1. Use an identity to find the value of cos (0+ 90°). sin 0 cos 0 O - cos 0 O - sin e

A: We have to find the following

Q: 31-35. Verify that sin 90° is indeed equal to 1 by using the expression sin (A + B).

A: We have to verify that sin 90° is indeed equal to 1 by using the expression sin(A+B)

Q: Question in Image.

A: First, we write 4pi/3 using its reference angle. Since 4pi/3 is in the third quadrant, there sin is…

Q: Suppose that sin(a) = 3/7 and cos(b) =2/8 define in the first quadrant, determine cos(a+b). (round…

A:

Q: 5.3) Suppose that sin(a) = 4/5 and cos(b) =1/6 define in the first quadrant, determine sin(a-b).…

A:

Q: 7. The value of sin(1¹/3) dt 12/3 S

A:

Q: 2/2 Suppose cos(a): , where sin(a)<0 and cos(B) where <B<n, what is the exact value of cos(a +B)?…

A: Here we have to choose the corect option.

Q: 3) tan? 0 – sec? 0 4) 1- cos? 0 1.092 5) (1- cos 0)(1+ cos 0) 6) (secx- 1)(sec x + 1) 1 1 sin? e 7)…

A:

Q: If cos B = 1/7, which is true?     sin (90 – B) = 1/7     sin B = 1/7     cos (90 – B0 = 7/1…

A:

Q: 2. If 5 sin 0 + 12 cos 0 = 13, then what is 5 cos 0 - 12 sin 0 equal to? (a) -2 (b)-1 (c) 1 (d) 0

A: We can find the answer as below.

Q: 12 and x terminates in guadrant I. 13 Find sin 2x, cos 2x, and tan 2x if sinx= sin 2x %D cos 2x %3D…

A: Given: sin x=1213and x terminates in quadrant I. To find sin2x, cos2x, tan2x The hypotenuse side is…

Q: 12. Find all values of 0 in the interval [0, 2n) that satisfy the equation: cos 20 + cos 0 = 0

A: We need to find value of θ.

Q: 1. Find the values of sin 20, cos 20 and tan 20, given: 9 3n a. tan 0 if n<0 < 40 2 3n b. sin 0 if <…

A: Giventanθ=940 ifπ&lt;θ&lt;3π2sinθ=-12 if 3π2&lt;θ&lt;2π.To findsin2θ, cos2 and tanθ

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.