21 Зл 18. If sin = and ≤0<- then tane is equal to: and s 29 2 2 21 A. tan 8 = = 21 20 B. tan 0 = -- 29 C. tan0=- 29 21 21 D. tane == 20

Q: 10. Sec -405 degrees 12. Cot -90 degrees 14. cos 360 degrees  16. sin -225 degrees

A: 10)

Q: 6. Determine tan (0.942 + jo.429)

A: Thanks for the question :)And your upvote will be really appreciable ;)

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A: To evaluate the integral,  ∫tanxsec4xdx Rewrite the term sec4x=sec2x·sec2x…

Q: if a+c=b then tan a+tan b+tanc =

A: GivenIf a+c=b

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A: To find the Exact value of trigonometric function, here we have to use the Addition and subtraction…

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A:

Q: tan 4x + Sec32)

A: ∫(tan4x+sec3x)dx=∫tan4xdx+∫sec3xdx=14logsec4x+13log(sec3x+tan3x)+c

Q: Let 7,-3) be a point on the terminal side of 0. Find the exact values of sin 0, sec0, and tan 0.

A: Let theta be the angle made by line joining origin and given points (7½,+3),with respect to…

Q: III. Verify the identity. 5.) 1-Cos 2x tan?x %3D 1+ cos 2x

A:

Q: Which statement isnt and can never be true? MA Sinx = COS X B COSX = 0944 sinx + cosx = tan x So 0 -…

A: We choose a statement which can never be true.

Q: In each of the fallowing, find Convergenca and interval of Convergent. the radius of

A: Since you have asked multiple question, we will solve the first question for you. If you want any…

Q: Which of the following expressions is exactly 1? T 3 7) T cos () cot ( sec ( 품) tan (4) - O sin (품)…

A:

Q: 6. tan 165° = Sin

A: Topic = Trigonometry

Q: 7. Solve each equation for -TSXS a) 3 tan x- 3=5 tan x-1

A: topic:- trigonometry

Q: Verify the identity. cos 7x- cos 9x tan 8x sin 7x- sin 9x Statomont

A:

Q: Sketch the point (5,-12) on the terminal side of angle 0 in standard position. Use 0 to evaluate the…

A:

Q: tan 4 4 + cot-1 5

A: Given that: tanπ4+cot-145

Q: 3) sin 0 = and < e <n. Evaluate sin 20 , cos 20 , and tan 20 2

A: sin theta=6/7

Q: Angles A and B are both in the first quadrant (in the interval [0,-)). Given sin(A) = 221 and tan(B)…

A:

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A: The reference angle is 10 degree.

Q: Show that sin 2x Þ 2 sin x by substituting 30 degree for x and then simplifying both sides.

A: To prove: sin2x≠2sinx For x=30°

Q: If a, b, c> 0 such that a + b+c abc, find the value of tan a+ tan- b+ tan-c.

A: Introduction :

Q: tan x= -4 and sin x is negative

A: Here tanx=-4we know trigonometric identity,sec2x=1+tan2xsec x=±1+tan2xsec x=±1+(-4)2sec…