tan 5 tan 30 1 + tan tan- 5 30

Q: Write the following expression as the sine, cosine, or tangent of a double angle. Then find the…

A: Given expression: 2 cos2 π8-1   Double angle identity of cosine: cos 2θ=2 cos2 θ-1

Q: Write the expression as the sine, cosine, or tangent of an angle. tan(1.9) – tan(4.2) 1 + tan(1.9)…

A:

Q: Use the cofunction identities to find an angle θ that makes the statement true.sin θ = cos (4θ +…

A: From the given statement

Q: Use a right triangle to simplify the given expression as shown. Assume x 7 0.

A:

Q: Write the trigonometric expression in terms of sine and cosine, and then simplify. sin u cos u cot u

A: We need to simplify the given trigonometric expression,

Q: Write the expression as the sine, cosine, or tangent of an angle. tan(1.1) – tan(4.7) 1 + tan(1.1)…

A: Given expression is, tan(1.1)-tan(4.7)1+tan(1.1)tan(4.7)

Q: Write the expression as the sine, cosine, or tangent of an angle. sin 60° cos 5° + cos 60° sin 5°

A: The following formula is used in solving the given function.

Q: Use one or more of the six sum and difference identities to write the expression as the sine,…

A: Use one or more of the six sum and difference identities to write the expression as the sine,…

Q: Write the expression as the sine, cosine, or tangent of an angle. sin 50° cos 5° + cos 50° sin 5°

A:

Q: Write the expression (tan π/5 + tan 4π/5)/(1 - tan π/5 tan 4π/5) as the sine, cosine, or tangent of…

A:

Q: Use the fundamental identities to simplify the expression. There is more than one correct form of…

A:

Q: Write the trigonometric expression in terms of sine and cosine, and then simplify. sin(0) – csc(0)…

A:

Q: Write the expression 2 sin 15° cos 15° as the sine, cosine, or tangent of a double angle. Then find…

A: The given expression 2 sin 15° cos 15°   Formula: sin2x=2sinxcosx

Q: Write the expression as the sine, cosine, or tangent of an angle. Then find the exact value of the…

A:

Q: Write the expression (tan π/5 - tan π/30)/(1 + tan π/5 tan π/30) as the sine, cosine, or tangent of…

A: Formula used: tana+tanb1-tana·tanb=tana+b

Q: Use an identity to find the value of the expression. Do not use a calculator. sec? 50° - tan? 50° O…

A:

Q: Evaluate the sine, cosine, and tangent of the angle without using a calculator. (If an answer is…

A:

Q: Write the expression as the sine, cosine, or tangent of an angle. tan(t/20) + tan(37/5) 1 -…

A: Using the following formulae :- tan(A + B) = (tanA +tanB)/(1-tanA tanB)  sin (A+B)= sinAcosB +…

Q: Write the following in terms of sin θ and cos θ; then simplify if possible: sin θ cot θ + 5 cos θ

A:

Q: Write the expression as the sine, cosine, or tangent of an angle tan(7/15) + tan(27/5) 1. -…

A: In this question, following simple equation is used- tan(x+y)= (tanx + tany)/(1-tanx*tany)

Q: Write the expression as the sine, cosine, or tangent of an angle. Then find the exact value of the…

A: Here given Use the compound angle formula

Q: Evaluate the sine, cosine, and tangent of each angle. Do not use a calculator. (If an answer is…

A: To find the given sine, cosine and tangent values.

Q: Write the expression sin 40° cos 20° + cos 40° sin 20° as the sine, cosine, or tangent of an angle.…

A: Use the following identity. sinA+B=sinAcosB+cosAsinB

Q: sin@.tos s SIn sin(0) sec(0) = tan o COS

A: We find value of  sin(θ).sec(θ)

Q: Write the expression as the sine, cosine, or tangent of an angle. Then find the exact value of the…

A:

Q: Write the expression as the sine, cosine, or tangent of an angle. cos 110° cos 50° - sin 110° sin…

A: Given the expression  Cos 110° Cos 50° - Sin 110° Sin 50°  we need to solve this. As we know that…

Q: Use the fundamental identities to simplify the expression. There is more than one correct form of…

A: Use the reciprocal identity and Pythagorean identity.

Q: Verify that each equation is an identity Use the half - angle identity Tan A/2 = sin A / 1 + cos A…

A:

Q: Find the exact values of the sine, cosine, and tangent of the angle. -165° sin(-165°) = cos(-165°) =…

A: -165°

Q: Write the expression as the sine, cosine, or tangent of an angle. tan(7/12) + tan(47/3) 1- tan(7/12)…

A: Trigonometric identities are relations that hold true for any right triangle. Some of these…

Q: Use the angle sum or difference identity to find the exact value of each. 7. tan 15°

A:

Q: Use the fundamental identities to fully simplify the expression. cot(x) cos(x) + csc(x) sin²(x) In…

A: Please see the answer below.

Q: Use one or more of the six sum and difference identities to write the expression as the sine,…

A: the given expression is: tan50°-tan20°1+tan50°tan20° we have to evaluate the exact value of the…

Q: Write the expression as the sine, cosine, or tangent of an angle. 47T cos 47T sin CoS sin

A:

Q: Express the given sum or difference as a product of sines and/or cosines. cos 20 + cos 60

A: Given expression

Q: Find the exact values of the sine, cosine, and tangent of the angle. -165° sin(-165°) = ||…

A: solution.

Q: For the angle 300°, find the reference angle, the quadrant of the terminal side, and the exact value…

A:

Q: Write the expression as the sine, cosine, or tangent of an angle. tan 120° - tan 80° 1 + tan 120°…

A: Given that

Q: Evaluate the sine, cosine, and tangent of the angle without using a calculator.  (If the answer is…

A: To find the sine, cosine and tangent of 930° without using calculator

Q: Write the expression as the sine, cosine, or tangent of an angle. 6T sin 5. CO COS 7 - sin 7

A: Here we have to use the trigonometric identity

Q: Which of the following is an INCORRECT statement? a, sine and secO are both positive in the fourth…

A: We know that In 1st quadrant all trigonometric functions are positive   In 2nd quadrant sin and…

Q: Write the expression as the sine, cosine, or tangent of an angle. Then find the exact value of the…

A:

Q: Write the following expression as the sine, cosine, or tangent of a double-angle. Then find the…

A: Trigonometric

Q: Write the expression (tan 50° - tan 20°)/(1 + tan 50° tan 20°) as the sine, cosine, or tangent of an…

A: Given:          (tan50∘−tan20∘)(1+tan50∘tan20∘)

Q: Write the trigonometric expression in terms of sine and cosine, and then simplify. 5 cos(t) tan(t)

A:

Q: Write the expression in terms of sine and cosine, and simplify so that no quotients appear in the…

A: The given expression is,

Q: Write the expression as the sine, cosine, or tangent of an angle. tan 24° + tan 22° 1- tan 24° tan…

A:

Q: Write the expression sin 25° cos 5° + cos 25° sin 5° as the sine, cosine, or tangent of an angle.…

A: Given that sin25°·cos5°+cos25°·sin5°   It known that sinA+B=sinA·cosB+cos A·sinB By using this…