cos(20° + 0) cos(0 – 20°) + sin(20 + 0) sin(0 – 20°) -

Q: If sin 0 = 0.3, find the value of: sin 0 + sin (0 + 27) + sin (0 + 47)

A:

Q: Find all angles, 0° <0 < 360°, that satisfy the equation below. 2 sin (0) + cos(0)- 2 = -1

A:

Q: The terminal side of angle θ intersects the unit circle in the first quadrant at x = 20 / 21. What…

A: The terminal side of angle θ intersects theunit circle in the first quadrant at x =2021we find the…

Q: Find the exact value of the expression.

A: Our Aim is to find the exact value of the expression given below:-

Q: Evaluate sin-1(-√2 / 2) & sec-1(2√3 / 3). Both are supposed to be in radians.

A: Inverse trigonometry function

Q: Find the exact value of the expression sin 100° cos 40° − cos 100° sin 40°

A: According to the sine difference formula, . This formula can be used to obtain the value of the…

Q: Find the exact value of sin 80° cos 50° − cos 80° sin 50°.

A: Given sin80°cos50°-cos80°sin50°

Q: Find the exact value of the expression, sin (cos-1 1/2 + sin-1 3/5). Do not use a calculator.

A: Now let

Q: Find, in radians, the general solution of the equation cos2x + 1 sin2x. i) Find the general solution…

A: We have to find the general solution of Cos2x +1 = Sin2x

Q: (a)     ? = sin−1       (b)     ? = cos−1       (c)     ? = tan−1

A: asinθ=1215θ=sin-1(1215)θ=53.13ob)cosθ=915θ=cos-1(915)θ=53.13o

Q: Find the exact value of the expression. sin sin 16 CoS Cos 16 16 16

A:

Q: Use an Addition or Subtraction Formula to simplify the equation. sin(3θ) cos(θ) − cos(3θ) sin(θ) = 0

A: Given,

Q: Simplify to an expression of the form (a sin(0)). 6 sin 기(프) 6 cos( 4

A:

Q: Assume that sin(0.42) = 0.41. Use properties of the cosine and sine to determine sin(-0.42), sin(6π…

A: Given: sin0.42=0.41 Properties used: sin-θ=-sinθsinnπ-θ=--1n sinθcosθ=±1-sin2θ

Q: If the sine ratio is given, then how can sin : be determined?

A: We can calculate sinx/2 by half angle formula

Q: (1 Point) Sin? 4 A + Cos 4 A = -

A: Given: Sin24A+cos24A=

Q: What is an equivalent expression in terms of sine for cos(68)?

A:

Q: 6. SOLVE – Given the trig values of sine and cosine below to find tan 0. 5 sin 0 = 2/6 and cos 0 = 7

A: Find using properties of trigonometric rations

Q: 4. The terminal side of an angle e in standard position passes through the point (-1, 3). Find the…

A:

Q: Find the exact value of sin 0 18 14

A:

Q: 3) Find the values of sin 0, cos 0, and tan 0, if 0 is in standard position and its terminal side…

A:

Q: What is the real number equivalent for sin ( Cos ^ -1 ( 1/2)) ?

A:

Q: 1-4cos^4(a)+4cos^2(a)+tan^2(2a)-sin^2(-2a)-1

A:

Q: A player hits a ball from the ground with an initial velocity of 85 feet per second at angle \theta…

A: Given that, In a projectile motion, Initial velocity (v) = 85 feet/second Angle is θ. and  cosθ = 13…

Q: find the exact value of sin(2θ), cos(2θ), tan(2θ), and the quadrant of 2θ. sin(θ)=-(√10)/10), θ in…

A: Given,

Q: Simplify sin(7w) - sin(3w) cos(7w) + cos(3w) to an expression involving a single trigonometric…

A:

Q: Find the exact value of the expression. sin 15° cos 45° + cos 15° sin 45° -/2

A:

Q: The value of the expression cos r- tan z-2 + sin z + sec is

A: sin2x+cos2x=1 sec2x-tan2x=1

Q: 2. Which is the value of sin2 51° + cos? 51°? COS

A: We know that the trigonometric identity , sin 2 (A)  + cos2 (A) = 1

Q: Find the exact value of sin (77) 3 sin T 3

A:

Q: 12. If the sine ratio is given, then how can sin be determined?

A: The question says if sine ratio is given, then how can sinθ2 be determined.

Q: Find the exact value of sin ab sin (a) sin (4 (7) Show your work and explain, in your own words, how…

A: Answer is below

Q: cos (0) + sec (-0) tan(0)sin (20) 5. Simplify the following expression:

A: Simplify the following expression

Q: Use trigonometric identities to transform the left side of the equation into the right side (0 < 0 <…

A: 1-cos²x=sin²x

Q: Find the exact value cos[(tan^-1(4/3)+cos^-1(5/13)]

A:

Q: If the sine ratio is given, then how can sin be determined?

A:

Q: Use trigonometric identities to transform the left side of the equation into the right side (0 < 0 <…

A: To convert the left side in to right side we use some basic trigonometric identities.

Q: 1 minus the fraction of cos squared theta/ 1 plus sin of theta

A: Use Pythagorean identity sin^2 theta + cos^2 theta=1  This gives, cos^2 theta = 1 - sin^2 theta

Q: 2. Give the exact value of the principle root in radians of "simplify the radical 3+ 2/2 sin 0 = 5.

A: Given,

Q: Find a value of x that satisfies the equation sin 64° = cos (x). %3D Submit

A: Given that, sin 64°=cosx We have to find the value of x, such that given condition satisfied :

Q: Find the exact value of the expression. sin 12

A:

Q: 9. Find the values of the sine and cosine functions of 0 from the information given. 3 sec 0 = 4 tan…

A: Explained below

Q: find the exact value of sin 75 degree : sin (A+B)= sin A cos B + sin B cosA

A: To find the exact value of sin 75-degree.

Q: 1. Find the exact value of sin 225° as a sine of the difference of two angles.

A: Note: According to the guidelines only one question will be answered please upload other questions…

Q: 5. Find all solutions to the equation tan 0 csc 0-5csc 0 = 0 in the interval [0,2). Express your…

A:

Q: and sin(0) < 0, what is sin(0)? 13 If cos 0

A: