Find sec ? if tan ? = 40/9 and ? terminates in QIII.

Q: Show that tanθ + cotθ = 2 Cosec2θ

A: Given query is to prove the Indicated identity.

Q: бл What is the approximate value of tan 5

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Q: t = } t = - 37 t = 237

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Q: Evaluate the exact value of 4 /5 tan sec 4

A: The objective is to evaluate the exact value.

Q: If tan ? = 3, find tan4 ?. tan^4 ?=

A:

Q: (-1 + cot2w + cos2w tan2w) / (csc2w) = ?

A: The given trigonometric function is:

Q: Find (ot (Sin-¹) (-1))

A: cotarcsin-36Use the following property: arcsin-x=-arcsinx=cot-arcsin36Use the following property:…

Q: 3.) Use Valve an identity to find the the expression.. of the Sec²80-tan ²80 ?

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

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Q: cos(?), sin(?); ? in Quadrant III

A: in the 3rd quadrant sin and cos will be negative

Q: State the formula for tan ratio.

A: We have to clarify about the formula for trigonometric ratio of tangent or tan ratio tan ratio is…

Q: lHans, , Chenl exprcss 240° <0and sec -400°

A: A). 240°    Reference angle = 240°-180° =160°   B). -400°   Reference angle  = -400°+360° = -40°

Q: Find the exact value of tan (-1), if it exists. Give convincing reasons for your answer.

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Q: Evaluate sin tan 9

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Q: sec sin- (-) 5.

A: Given problem:- Evaluate without a calculator. Include a sketch. sec[sin-1(-3/5) ]

Q: Without using a calculator, find the exact value of each: i. sin-1(sin)) =

A: topic- inverse trigonometric functions sin(π+θ)=-sin(θ)sin-1(-x)=-sin-1(x)

Q: FInd the value of Sin150 ,cos150 and tan150

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Q: Find 5 trig functions  of theta if sec thetab=13/5 and sin theta &lt;0

A: