7) 8π tan 9 1 + tan - tan 8π 9 -tan TU 18 T 18

Q: 7) cos 15°

A: Solution: As per our guidelines, we are supposed to answer only? One question ( if there are…

Q: 1) cos Otan e + V3 cos 0 + tan e = tan e

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Q: 12) sin-1 -1 14) tan 0 V3 16) sin-! |

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Q: find the indicated power. Write the answer in standard form 1)  [2(cos30° + i sin 30°)]8 9) (1 -…

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Q: 2) sin cos-1 2V6 14 4) cos sin- 17 V105 -1 6) csc sin' 11

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Q: 10) cos 0 (sec 0- cos 0)

A: Given that: 10)cosθ(secθ-cosθ)12)(1-cosx)(1+secx)(cosx)

Q: 14) Find the exact values for the following. Be sure to simplify and rationalize when needed. a)…

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Q: 1 cos²0 1 sin 9 1 tan 8 + tan 8 + || || Trigono 1 sin² 0 cos²0 1 sin cos 0

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Q: 25) cos=- Find tan 20 177 11 where 180 ≤ 0<270

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Q: Solve the next trigonometric equations, please include procedure. 10) sec a + tga = 0 11) 6cos+cos…

A: Since you have posted a question with multiple sub-parts, we will solve the first three sub-parts…

Q: 4 and cos b= 2/5 sin b = V5 Given sin a = cos a = - find sin(a + b) SATO O_2V5 25 2/5 25 O 11V5 25

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Q: Example: State whether each of the following are true or false. Justify your answer. a) sin+27=…

A: The answer provided below has been developed in a clear step by step manner.

Q: Write the domain in interval notation. 4 9) Ax)* 9) 3 -x Solve the rational equation. 1 5 10) x-4…

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Q: so what is the solution of sin 1=.  , sin 2 =.  , sin 3 = and sin 4=.

A: We need determine the values of sin 1, sin 2, sin 3, sin 4.

Q: 1) tan - 2) cos 3) tan 105° 4) sin 5) sin 105° 6) tan 165° 13n 7) cos 12 8) tan 15° 9) cos 12 10)…

A: cosA+B =cosA cosB - sinA sin B tanA+B =tanA+tanB1-tanA.tanB tanA-B=tanA -tanB1+tanA.tanB Note : As…

Q: 元)27 sin= +icos- 9. 9 1+i 0+i 1-i 0-i II

A: We have to solve given problem:

Q: (1- 2i ) -1  x ( 6 (cos 120 + j sin 120 )/2( cos     30+ j sin 30))

A: The given expression is 1-2i-1×6cos120+jsin1202cos30+jsin30. Simplify as follows.

Q: how do i solve

A: Final…

Q: 11(cos123° + i sin 123°)*3(cos 43° + i sin 43°) *Perform the indicated operation and leave the…

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Q: 4) cos 20 = - 25 < 20 < T Find sin 0. A) 5 B) 10 7/2 D) - 10 Find the exact value of the expression.…

A: As per guidelines we have to solve one question

Q: By equating the real parts of cos 5? + ? sin 5? = (cos ? + ? sin ? )5 show that cos 5? = 16cos5?…

A: De-moivre's Theorem, cosθ+isinθn=cosnθ+i sinnθ. For n=5, cosθ+isinθ5=cos5θ+i sin5θ. Simplify LHS as…

Q: Find the exact values of sin ø 17 - 9) sec 8= 15 and sin 0 <0

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