15. What is the exact value of sin 75°?

Q: 22) For angle O of the right triangle below: sin 13 CoS tan 12 sec CSC cot

A:

Q: 6. B In right triangle ABC above, what is sin B?

A: Given, The right triangle ABC with right angle at C Where AB=8, BC =5  and  CA = 6 We have to find…

Q: Find the exact value of sin 20, cos 20, and tan 20 using the double-angle formulas. cos 0 = 5 13 S…

A: Given cosθ=513We know that sin2θ+cos2θ=1sin2θ=1-5132        =1-25169        =144169Sinθ=-1213 (As…

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

A: Given sin80°cos50°-cos80°sin50°

Q: Find exact and approximate values for sin 45°.

A: Isosceles right triangle An isosceles right triangle with sides 1. Now find the hypotenuse side…

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: 4 Suppose that sina and 90° < a < 180°. 5 a Find the exact values of sin and tan 2 गंत 2

A:

Q: Find the exact value. (Decimal answers are not accepted.) sin( – 510°) cos( – 510°) =

A:

Q: 17 If sin 0= 0.3347, find the measure of positive acute angle 0 to the nearest minute.

A:

Q: If tan A = 1/3, then without using calculator Find the value of 1+Sin 2A 1+Cos 2A

A:

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

A: Given: Sin24A+cos24A=

Q: 11 If tan(r) (in Quadrant-I), find 16 cos(2r) (Please enter answer accurate to 4 decimal places.)

A:

Q: Find the exact value of cos 70° cos 40° + sin 70° sin 40°.

A:

Q: 7 If sin(x) = (in Quadrant-I), find 13 sin(2x) = (Please enter answer accurate to 4 decimal places.)…

A:

Q: 1. Evaluate the value of sin (Arctan(-4/3) + Arccos(-5/13))

A:

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

A:

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: 167 Give the exact value of sin 3

A:

Q: 4. Find the exact value of sec (585°). 5. Find the exact value of (sin 150°)? + (cos 150°)².

A:

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: 5. What is the purpose of using Odd and Even functions in Trigonometry? Also, indicate if sin 0, cos…

A: Graph of odd functions are symmetric about origin. i.e If  function f(x) is odd function, then f(-x)…

Q: If cos 0 = and tan 0 = %, 10 what is sin 0?

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

Q: 4. Determine the exact value of Sin 120*

A: As we know from the trigonometric identity; sin90+θ=cosθ   The given expression is: sin120°

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: GIven that 16cotA = 12  Find the value of( (sinA+cosA)/(sinA-cosA)

A:

Q: 3. Use a calculator to find an approximate degree angle measure rounded to the nearest 100th. a) sin…

A: The values are given as sin-10.854=58.64o cos-123=48.18o

Q: If sin 0 = and cos 0 = 4 what is the tan 0?

A: In this question, we need to find tan ?.

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: 1. What is the exact value of: sin(arctan (-}) + cos-!(÷))

A:

Q: 15 If sin 0 and e is in the third quadrant, what is tan 0? 17'

A:

Q: The value of Sin 4400 is equal to

A: Given,             sin(440°)

Q: B. If sin e=% , find 1. Sin 20 2 Cos 20 3. Tan 20

A: Given: sin θ=34......(1) The expression for the sine trigonometric ratio is given as sin…

Q: 1. Determine an exact value for the following expression: л sin COS sec+tan 444 4

A:

Q: What is the exact value of sin ? 12

A: Use the trigonometric identities and simplify.

Q: 14. If sin 0 :- and e is in quadrant III, find tan 5 2

A:

Q: 4 1. Find the value of (icos-+ sin TT sin-) 8.

A:

Q: If sin A = 15/17, sin B = 5/13, cosA = 8/17, andcosB = 12/13, what is the exact value of sin(A – B)…

A: Here we find the value of Sin(A-B)

Q: 1. Suppose that cos = 0.68. What is the value of sin(=)? Explain.

A: First we assume cos(α)=0.68cos(α)= 68100 we know that  cos(θ)=adjacenthypotenuseLets mark the…

Q: 1. Find the exact value for: a) sin (377) 2 b) cot (210⁰) c) sec (-765°)

A:

Q: 4. Why is a SSA ambiguous? Think about the range for y = sin¬1 x. Can the inverse sine ever return…

A:

Q: Find the exact value. sin((4π)/(3))

A: Find the exact value.     sin((4π)/(3))

Q: What is the exact value of sin(67.5°)cos(22.5°)?

A: Solution-

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: 9. Find the EXACT VALUES of the trigonometric value below: sin 60° + cos 45° – tan 60°

A: Here we will find the exact value,

Q: 9. and cot o If tan 0 find the exact value of sin(0- p). 71

A: The sine (sin) of an acute angle in a right triangle is the ratio of the side opposite of the…

Q: What is the exact value of sin(67.5°)cos(22.5°)?

A:

Q: 1+ tan? 1- tan? 8 cos? u - sin?

A: Given: 81+tan2u1-tan2u=8cos2u-sin2u To verify: Above identity by using reciprocal identity, and…

Q: 4. Why is a SSA ambiguous? Think about the range for y = sin−1 ?. Can the inverse sine ever return…

A:

Q: What is the exact value of sin⁡(31π/6)?

A: Given- The expression as sin31π6 To find- Exact value of the given expression.

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.