Suppose that cos t where 13 blse the appropriate Double Angle Identity to golve each of the following and provide their approximate values roundded 2 decimal places at ffo i. sin at COS at tan 2t

Q: 23. Prove the identity sec 0 – tan 0 sin 0 sec e

A: We have to prove the identity: sec θ - tan θ sin θ =1sec θ This can be proved as follows:

Q: Given that V2 - /2 – V2 sin 22.5° find an exact expression for tan 22.5°.

A: Given: sin22.5°=2-22

Q: Evaluate 1 1 I sin cos de. 0 0

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Q: Classify each inverse trigonometric function as valid or invalid. 1. Arc sin -1.5 2. Arc cos 0.56 3.…

A: As per guidelines we can answer only three subpart questions at a time, so if you need more answers…

Q: F csc a= sqrt10, find cos2a and tan a/2. Assume a is in quadrant 2, show your work.

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Q: Write each terms to tan H=

A: In a right angle triangle: sinθ=PerpendicularHypotenusecosθ=BaseHypotenusetanθ=PerpendicularBase

Q: What is one possible value of x that satisfies the equation cot x = cos x? - 4 T

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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: 11. Prove the identity: tan²x tan²x + 1 = sin²x

A: Simplification

Q: If cos u = 2425 and u is in quadrant IV, fnd the other fve trigonometric functions of u.

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

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

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Q: What is the general form of the measures in radians of all angles that are co terminal with 3 pi

A: We have to find  The general form of the measures in radians of all angles that are coterminal…