3) Find the tangent of 15° using the sum/difference formula

Q: Use the given point on the terminal side of angle 0 to find indicated. 15) sin 0 (-V13, 6)

A:

Q: 8. If tan 03D and 0 is in QIII, what is sec 0?

A:

Q: Use a special right triangle to express sin 60° as a fraction or as a decimal to the nearest…

A: We will draw a right triangle to solve this.

Q: Find the exact value of the half-angle. 4. sin 0 =-- where se <2T Find sin 이2

A: Given that sin(theta)= -4/5 and find sin(theta/2). Here 3π/2&lt;=theta&lt;=2π( here theta in the…

Q: In a circle of radius 40, find the length of the arc spanned by a central angle of E radians. Round…

A: The relationship between arc length, radius and the central angle is,                     l=rθ Where…

Q: What is the ratio of sin 50?

A: Givensin(50°)

Q: Find the remaining trigonometric ratios of theta based on the given information. sin theta = 4/5 and…

A: It is given that sinθ=45                 because sinθ=oppositehypotenuse opposite side to θ=4…

Q: Use a calculator to approximate the value to four decimal places. sin 2

A:

Q: Use a calculator to find the approximate value of each expression rounded to two decimal places.;sin…

A: We have to find the value of sin1

Q: Use a special right triangle to express sin 60 as e fraction or as a decinal to the nearest…

A:

Q: Draw a right angled triangle with another angle θ such that sinθ = 5 13. Find tan(θ) from this…

A: Assume that triangle ABC is a right angle triangle and angle B is 90 degree.

Q: In a circle of radius 19, find the length of the arc spanned by a central angle of pi/4 radians.…

A:

Q: 2) Use a double-angle formula to simplify: sin (10z) cos (5r)

A:

Q: 4. Use a half-angle formula to find the exact value of sin 22.5°

A:

Q: A 10-foot ladder rests against a wall. If the top of the ladder starts sliding down along the wall…

A:

Q: In a circle of radius 28, find the length of the arc spanned by a central angle of radians. Round…

A: The radius of the circle is  r = 28 The central angle formed by an arc is  θ = π4 To evaluate: The…

Q: Find the exact value of sec 3 (플)

A: Given sec2π3   We have to find the exact value of  sec2π3

Q: Suppose that sin(θ)=3/7. What cot(θ)=______

A:

Q: If cotx = D. cos x = Z. and x is in quadrant II, then A. sinx || ! B. cos x C. sin a CTLA

A: follow next step

Q: In a circle of radius 31, find the length of the arc spanned by a central angle of radians. Round…

A:

Q: 4. If the sine ratio is given, then how can sin be determined?

A: if sine ratio is given. Find: How can sinθ2 be determined?

Q: What is the exact value of tan(7pi / 8) if you use the tangent half-angle formulas?

A:

Q: If cosA = −4/5 with A in QII, find sin A/2 .

A:

Q: An isosceles triangle is to be drawn with its two equal sides of length 12. What is the maximum…

A:

Q: Common tangent(s) to y = x and a = y is/are

A: Equation of red curve is y=x^3  and blue curve is x=y^3.

Q: Solve on the interval from 0 degrees to 360 degrees. cot ⁡ θ = − 1 3

A: Given cot(theta)=-13 To find all theta values in(0 to 360°)

Q: Find all the values of theta, if theta is in the interval (0,360 degrees) and has the given function…

A: We need to solve sinx=32. So,              sinx=32⇒x=π3+2πn, x=2π3+2πn

Q: In terms of the tangent of a positive acute angle, what is the expression for tan(7π/8)?

A: In the question it is asked to write acute angle expression for tan(7π8).

Q: Use a linear approximation to estimate the given number. sin 44 degrees + cos 61 degrees

A:

Q: 15 cos( Arcsin 17 (뉴) + Arccot 40 is equal to... -435/308 O -528/697 O 528/697 435/308

A:

Q: Suppose you know that sin (0) = , where 0 is in Quadrant II when drawn in 6 11 standard position

A:

Q: Given: tan θ=12/5 What is the trigonometric ratio of sin θ?

A:

Q: find the remaining trigonometric ratios of θ based on sin θ = 0.23 and θ is in QI

A:

Q: Find the exact value using half-angle formulas. 7 cos (7?/8)

A:

Q: Suppose that sin t = and cos t so. as Use the appropriate Dauble - Angle Identify to olve each of…

A: Using double angle identities : sin(2t) =2 sin(t) cos(t) cos(2t) = cos^2(t)- sin^2(t) tan(2t) =…

Q: Suppose the tip of the “minute hand” of a clock is 6 inches (radius) from the center of the clock.…

A:

Q: Find the exact value of cot sin 25 O JT Undefined

A:

Q: 1. An Engineer is facing his new build house. Standing 12 ft. from the house, the eye level of the…

A:

Q: sec? V5 ), tan 17 dx

A: Evaluate the given integral by using substitution I=∫sec2x5tan17x5dx

Q: Solve for x in the right triangle shown in Figure 1.

A: Our Aim is to solve for x in the right triangle given below:-

Q: As In Previous Question, Refer to a right triangle as shown. Two angles, 0 and o, are labeled. Sine…

A:

Q: Use the half-angle formula for tangent to compute tan(θ/2) given tan(θ)=67/44 where 0&lt;θ&lt;π/2.…

A:

Q: Find the exact values of the sine, cosine, and tangent of the angle. 12 3 -1 sin (- ) 2 2 12 1- 3…

A: Let us consider

Q: In terms of the tangent of a positive acute angle, what is the expression for tan(11π/8)?

A: Consider

Q: If the powers of both sine and cosine are both even, what trigonometric ifentities to be used as a…

A: I am attaching image so that you understand each and every step.

Q: 23. Find the length of the perpendicular from the origin to the line joining two points whose…

A:

Q: Find the exact value of sec(arcten 2/3).

A: Let a = arc tan 23. Then       tan α=23 Using; 1+tan2 α=sec2 α⇒sec α=±1+tan2 α

Q: To draw a right triangle that has a 1-degree angle and measure its sides accuralely is umituit. TU…

A: Trigonometry is the study of the relationship between the sides and angles of a right-angled…

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.