Multiply. V3 블 cis (종)· cis (폴쪽) o 2 cis (플) 2л Зл 2 4 3/2 8. cis (31z) 8 18 3/2 cis (31z) 8. 18 2V3 cis (5)

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A: Givensinα=-725, cosβ=-35 , 180°<α,β<270°Aima) cos (α-β)We know…

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A: Find the two square roots for the following complex number. Write your answers in standard form.…

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A: We have to choose correct option.

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A: Given

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A: To compute z-20 where z is the complex number 6cos 70°+i sin 70°.

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A: Apologies for the inconvenience. Given equation is:  csc2x+cscx=1+cos-x+cot2x

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A: As we know that; The Sine rule: asinA=bsinB=csinC   Given: C=90°, a=10.4 yd, c=10.8 yd

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A: we have to find out the measure of angle 1

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A: To simplify.

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A: Converting minutes into degree 22°20'=22°+2060°=22°+.3333°=22.3333° Ladder forms right angle…

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A: 2.

Q: 12. Find the first 5 terms of the sequence: 2n a, =(-1)" n +1 a) b) a, = 4a-5 and aj =1 | n-1

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Q: Establish the following identity sec\theta -tan\theta =(cos\theta )/(1+sin\theta )

A: Topic:- trigonometry

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A: As we know that cosa-b=cos(a)cos(b)+sin(a)sin(b)

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Q: C A 78 O 39° 222 O 78° O 156° Previous

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A: Solve the following

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A: Solution:

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A: This question is related to Trigonometric Ratios, we will solve it using given information.

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A: Since you have asked multiple question, we will solve the first question for you as per our guide…

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Q: SKETCHPAD Question 11 Use mathematical induction to prove that, for n2 1, n³ - n is divisible by 3.

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Q: 1- cos 2x 1 a) sin 2x cot x

A: