C. Verify the following trigonometric identities : 1. tanx csc x cos x 1 (consider example A) 2. sin?x - cos?x = 2 sin?x - 1 ( use pythagorean identity) 3. tan x sec x sin x = tan?x ( use quotient identity) 4. (tanx + 1 )2 = sec?x + 2 tanx. (work on the left-hand side by expanding it)

Q: cos u= 3/4. Evaluate tan v

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Q: Prove the following useful trigonometric identities: (a) cos(a + 3) = cos(a) cos(3) - sin(a) sin(3)…

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Q: 2. Angle 0 in standard position has sin 0 == and cos0 < 0. 3 (a) Determine the value of tan e (b)…

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Q: cos x tan x 1+ cot x

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Q: Exercise 1: Find the exact value of the trigonometric functions: a) sec ¹7, b) tan(-4). Exercise 2:…

A: We have,(1) sec ( 17π/3) (2) tan ( - 4π/3)

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A: Given Data: tan θ  =3/4 The figure below represents the reference right angle triangle.

Q: dz (sin x) Select one: O a. cos x. O b. sin x. Oc. - cos x. d. – sin x.

A: We have to find the derivative

Q: Find the exact 1. sin value of each expression without using a calculator. 2. arccos(-1) 3. tan (-1)

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Q: What is the meaning of the notation y = tan-1 x?

A: Given: y=tan-1x We know the meaning of following notation: sin-1x sine inverse x cos-1x cosine…

Q: Verify identity: tan2x(csc2x-1)=1 se how step by step worked out problem

A: Explanation of the answer is as follows

Q: Choose 2 of the 3 identities below to verify. Be sure to show every step. 2(tanx - cotx) a. tan?x-…

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Q: sin x 1 where x is in the 2nd quadrant. Find cos x and tan x = -

A: We use Pythagoras theorem (Hypotenuse)2 = (perpendicular)2 +(Base)2   We use Trigonometry ratios…

Q: What is the expression that completes the identity tan(x)+cot(x)

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Q: What is the exact value of cos- (sin a) where a = 13T radians? 4

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Q: (ii) Hence, without using a calculator, find the value of tan(22.5°

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