Given z1 = -3(cos(18°) +isin(18°)) 22 =-10(cos(12°) +isin(12°)) Find the product z1 z2. Enter an exact answer. Provide your answer below:

Q: 57,5ec(c05" sec/cos!

A: seccos-115

Q: Which of the following is a valid step in proving the identity 1/ sin theta - sin theta  = cos 2…

A: Given identity 1sinθ-sinθ=cos2θsecθ Find which of the following is valid for proving the above…

Q: 82 18 Riv 80

A: For a right triangle we know, cos(θ)=basehypotenuse

Q: Perform the indicated operation: (362274°) (2/141°) (6/195°) O (32-62°) O (3Z+62°) O (42-152°) O…

A:

Q: Find the quotient. 5(cos 220° + i sin 220°) 2(cos 115° + i sin 115°) A. (cos 105° + i sin 105°) B.…

A: Exponential form ⇒z=reiθPolar form z=rcosθ+isinθThen reiθ=rcosθ+isinθ⇒eiθ=cosθ+isinθ

Q: Find the exact value of the expression. TC COS 16 3T - sin 16 TO - sin 16 COS | 16

A: To find:- Exact value of cosπ16cos3π16-cosπ16cos3π16

Q: The expression 5cos 6B – 5sin 6B is equal to A. cos 36B C. cos 12B B. 5cos 12B D. 5cos 3B

A:

Q: What is the cofunction of the complement of csc 57 o?   a. sec 33o   b. sec 57o   c. csc 57o   d.…

A: Any function of the complement of an angle is the cofunction of the angle.  We know ,  csc90∘-x =…

Q: 10. Write each expression in the standard form a + bi: a. [4(cos 10° + i sin 10°)]³ 4 b. [V2(cos 15°…

A: Since solve the first question for you. If youwant any specific question to be solved then please…

Q: Find the exact value of cos 195°.

A: we know  cos(π+x)=-cosxcos(a-b)=cos(a)cos(b)+sin(a)sin(b)

Q: Simpli fy, (24 – 20°)(3/80°) – (8 – 60°) | - O-1+ v3i 07- 7/3i 1 – 7/3i O-1+7/3i

A: Simplify 2∠-20°3∠80°-8∠-60°