mZB А 60° C

Q: D A 80 °/y 1 B140°

A: From triangle DEF, we get,  10° + x = 80° + y  So, x - y = 70° ... (i)

Q: 166° yo 88° Blank 1: Pla

A:

Q: 5. 75° \55%

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Q: 125°

A:

Q: 7. 130° 150° ఆి

A:

Q: y 9. 45° : 92 9/2 :: 2. 1.

A:

Q: 45° 60 30 45° = sv2 = sv3 = 2s E S

A:

Q: C 3.9 30° 4. 4. 100 3.9

A: Sum of all 4 internal angles will be equal to 390 So,  So angle A + angle B+ angle C + angle D=360

Q: 400 120° 8.

A:

Q: 3. Evaluate the following: (1+7i) а. 2430° b. 12-120° 2i(4-i) 5. с. (4е С. d. (22175°)(6450°)

A: Since you have posted a question with multiple subparts according to guildlines I will solve first…

Q: 12Cs*20°3 Evaluate

A: A combination is a mathematical technique that determines the number of possible arrangements in a…

Q: h 50° 6.

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Q: 41. 0 = 67.5°

A: 1)

Q: 1 30°

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Q: 65° 11 25° A C

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Q: 72° 50 40 7.

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Q: 32 57° a. x*58.8, у~ 38.2 b. x*17.4, у~ 26.8 С. х~ 38.2, у 58.8 d. x~ 26.8, у~17.4

A: Here we use trigonometric ratios.

Fundamentals of Trigonometric Identities

Trigonometric Identities are the equalities that involve trigonometry functions and hold for all the values of variables given in the equation.