Evaluate the expression without using a calculator, and write your answer in radians. Tan^-1(1)

Q: Dsir Express in terms of sines and cosines. sinx

A:

Q: 5. Simplify. tanx (cscx - sin x)

A: The given expression is tanxcscx-sinx. We have to simplify the given expression. Here we use the…

Q: Evaluate tan(sin−1(34))tan(sin-1(34)), giving your answer as an exact value (no decimals)

A: Topic-trigonometry

Q: Find the exact value of each expression without a calculator. Show your work sin-1(-1/2)

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Q: Find the exact value.Do not use a calculator. sin(-3π)

A: Find the exact value. Do not use a calculator. sin(-3π)

Q: without

A: Sine function is negative in 3rd and 4th quadrant. Sin(π+x)=Sin(2π-x)=-Sinx

Q: Without calculator, find exact value of sin(tan- 80) (show your work)

A: Converting  tan-11160 to sin angle termstan-1ab=sin-1aa2+b2

Q: inverse sine function

A: We have asked that is it true or false that inverse sine function extends indefinitely in both…

Q: verify sin2x=2sinxcosx  please show steps

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Q: sec2@ 10. tan@ - - tan@

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Q: Verify the identity: tan α/2 = sec α/(sec α csc α + csc α)..

A: To Verify

Q: Rewrite sin57 degree in terms of its confunction. Sin 57 degree

A:

Q: Evaluate tan- (\3) in radians

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Q: find the value of sin15 degree

A: Given : sin15°

Q: cos x 2. Rewrite and simplify the expression entirely in terms of sine. Vsinx 3. Rewrite the…

A: Given: cos2xsinx, tan52xsec22x We know that cos2θ=1-sin2θ…

Q: Find the exact value of the expression. Do not use a calculator.

A:

Q: Vtan XP sin X cosX

A:

Q: 9. Find the exact value of the expression. Do not use a calculator. sin [tan (1)]

A: In the question it is asked to find exact value of expression of sin[tan-1(1)]. Also it is asked to…

Q: Complete the proof of the identity by choosing the Rule that justifies each step. (secx-1) cscx=…

A:

Q: CSCX-1 Simplify: sin x-1

A: Given: y=cosecx-1sinx-1 We know that cosecx=1sinx…

Q: The graphs of sine and cosine have special characteristics which make then useful for modeling real…

A: There are few characteristics of sin(x) function. The value of sin is positive in the interval 0 to…

Q: Solve: sin -1

A:

Q: - sine + cose - - sine • + cose. 2rinSco:S=sin &=cor e-1

A: They are simplifying the right side only  USed LCD, LCM of the denominators = (sinθ+cosθ) So they…

Q: Why would a sine function be used to model the number of daylight hours?

A: We have to explain why a sine function is used to model the number of daylight hours.

Q: Write the expression in terms of sine only. 3 sin(9Tx) + 3/3 cos(9Tx)

A: *Formula of sine , sin( A +B ) = sin( A) • cos (B) + cos( A) • sin (B) * values of cosine and sine ,…

Q: solve equation sin2θ = -cos2θ

A: The equation can be written as,

Q: . Use an identity to explain how to find the value of sin (0+ 90°)

A:

Q: solve equation sin2theta = -cos2theta

A: Calculation:The given trigonometric equation is sin2(θ) = – cos(2θ).Solve the above equation as…

Q: Use an identity to explain how to find the value of sin (0 + 90°).

A: To find: The value of sinθ+90°. Formula used: Trigonometry identity: sinA+B=sinA·cos B+sin B·cos A…

Q: Complete the proof of the identity by choosing the Rule that justifies each step. (1– sinx)(1+ sinx)…

A:

Q: Evaluate sin (3x) dax

A:

Q: sin4 Ce3x)

A: Solve by integration

Q: sin (tan- ()) :

A: Trigonometric identities help to find the value of the given expression. Inverse trigonometric…

Q: Find the exact value of the expression sin π/6 + tan2 π/3. Do not use a calculator.

A: Given expression is sinπ6+tan2π3.

Q: Evaluate sin(tan-2+ cos -1

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Q: Sin²2zex

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Q: Prove the identity by transforming the left side of the equation to match the right side. Do not…

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Q: Find the exact value of the expression sec2 π/5 - tan2 π/5. Do not use a calculator.

A: Given expression:                                sec2π5-tan2π5

Q: If tanx=-1/3 then cosx>0 Find Sin2x,cos2x and tan2x

A:

Q: Write the equation of a sine or cosine function to describe the graph. 2- -2 tre

A: Consider the given graph. We can find a sine equation to describe the given graph. The general…

Q: Complete the proof of the identity by choosing the Rule that justifies each step. (csc'x-1) sinx=…

A:

Q: Use an identity to explain how to find the value of sin (0+90°).

A:

Q: do 2 – sin(0)

A: Here we use substitution.

Q: 6 arcsin(sin 40 ) = _____. -40° -220° 40° 220°

A: Solve the following

Q: 2m tan (tan(-))

A: tan -2π3=-tan 2π3=-tan π-π3=--tan π3=tan π3.

Q: Find the exact value of the expression tan (-17π/6). Do not use a calculator.

A: Use the identities given below. tan-θ=-tanθ                     ...... 1 tan3π-θ=-tanθ…

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.