tan 13° cos 57° sin 77 %3D %3D

Q: CSC 30° cot 225° sin 360°

A:

Q: 9 = cos(20)

A: We have to find the solution of the given equation

Q: Use a sketch to find the exact value of the expression cot (sin-1 5/13)

A: So, Opposite=5, hypotenuse=13 And

Q: sin 60 cos" Od0

A:

Q: Find each value of 0 in degrees (0° < 0 < 90°) and radians (0 < 0 < x/2) without using a calculator.…

A:

Q: tan 0 = 0.768 cos ) =

A:

Q: (cos 145 +i sin 145°), find zw. UR decimal places.

A: For this problem, we can solve by using formula.

Q: Sinyo°Cos 20° tcos40° sin 200

A: This is in the form of SinA*CosB + CosA*SinB.

Q: sin 2a = 25in A CosA 14. %3D

A:

Q: Sin(10.68)=Cos( ? ) Round answer to the nearest hundredth (2 decimal places).

A:

Q: TC 4. Give the exact value of sin (- 12

A: The given trigonometry ratios is sinπ12

Q: Find a cofunction with same value as tan 59°. The cofunction is ?

A:

Q: Find the exact value. 5. sin 135°

A:

Q: Sin(45.22) = Cos( %3D Round answer to the nearest hundredth (2 decimal places).

A:

Q: sin 120° =________ ; cos 240° =_______

A: To Determine: sin120∘ and cos240∘ Given: we have sin120∘and cos240∘ Explanation: we have  sin120∘ we…

Q: QUESTION 1 Evaluate sin-(3x) dx.

A:

Q: cos(30°))² – (sin(30°) ||

A: We have to evaluate.

Q: sin 0° is equal to cos 45°

A:

Q: Find the exact value of sin 0 18 14

A:

Q: tan e e lies in quadrant III Find sin 20.

A: Given expression: tanθ=43 , θ lies in quadrant III

Q: cos(135) = sin(135°) =

A:

Q: Find the exact value. 57 sin 2 [?]

A:

Q: The sine of 80° has the same value as sine of 100. O True O False

A:

Q: Cos(270°)+sin(230°) = ?

A:

Q: Find each value of 0 in degrees (0° < 0 < 90°) and radians (0 < 0 < t/2) without using a calculator.…

A: I have given an answer in step 2.

Q: Find each value of 0 in degrees (0° < 0 < 90°) and radians (0 < 0 < x/2) without using a calculator.…

A: a) 0°&lt;θ&lt;90° (Degrees) and 0 &lt;θ&lt;π2(Radians)     tan(θ)=3∴ θ= tan-1(3)∴ θ=…

Q: (tan 0+ cot 0) sin 0 = sec 0 Write the left side in terms of sine and cosine. sin 0

A: Given: left hand side is   tanθ+cotθ  sinθ since we know tanθ=sinθcosθ and cotθ=cosθsinθ, so we have…

Q: 15 A 12 What is the sine of ZA ?

A: For given △ABC, sinA=ac  (∵sinθ=side opposite to θhypoteneous)

Q: If sin ? = 0.2774, find cos ?. Round to four decimal places

A: Given that, sin of theta = 0.2774, find cos of theta

Q: Approximate to four decimal places, when appropriate.

A: Solution(a)sin 42∘ (b) cos 77∘ (c)csc 123∘ (d)sec (-190)∘  To find the approximate to four decimal…

Q: Evaluate sin(cos^−1(5/13)), giving your answer as an exact value (no decimals)

A:

Q: stn 6 21 cos 0 18 tan 0

A:

Q: 41. tan 0, cos 0; 0 in Quadrant III

A: 41. tan θ , cos θ ; θ in Quadrant III

Q: cos 240°. tan 290° cot 340°. sin135°

A:

Q: TC -/2, determine the value of cot 8. Given tan

A:

Q: cot 0 csc e = cos 0.

A:

Q: 2. Evaluate arctan (-v 3): a. in radians b. in degrees

A:

Q: Find the exact value. sin(570°) = %3D cos (570°) % = COS

A:

Q: COla-sina COIa- da sin (2a)

A:

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: Part 2 Establish the identity. cos ? 0 - sin 20 = 1-2sin 2

A: Establish the identity  cos2θ - sin2 θ = 1-2sin2 θ ...(1)

Q: 11) sin-! 2

A:

Q: Exact value of cos 422(degrees)sec62(degrees)=

A: Explanation of the answer is as follows

Q: Sin(28) = cos(a) %3D mLa?

A:

Q: 2. Find the exact value of each expression. a. sin(sin-1 b. cos [arcsin (-)) C. sin-1 11n

A:

Q: Find a cofunction with same value as tan 72°. The cofunction is ?

A: Write the cofunction of tanx and than solve for angle.

Q: 3) Find the EXACT value of sin(75°)sin(285°)

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: sin 150⁰ cos 240⁰ cos 45º

A: topic- trigonometric ratios sin(180-θ)=sin(θ)cos(180+θ)=-cos(θ)

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.