15. sin x + cos y = sin x cos y

Q: Solve for X. X = (21-×3-1 5 = I.

A: Given that

Q: 7 5 X + -6 8 -8 -6 X. X =

A:

Q: Find (1, -5) (7, 9).

A:

Q: V2 2 = 2 +

A: Given :x22=22x

Q: -1 = tanO/2

A: over

Q: To-42 5-2X-3 (6z) odz dy oe aly de

A:

Q: Solve for x. 3 6.

A: x = 4

Q: 3.2 H.

A:

Q: đ = , b = , = , d = Find đ +?

A: Given,  a→ = 2, 4b→ = -3, 5c→ = 1, -4d→ = -5, -3 We have to find a→+ c→.

Q: 22 V2 V3

A:

Q: Au = and Aü = -1 then A(-3u- 30)

A: solution is given below

Q: use x for the veriable  the difference of two times a number and five is eight

A: The given statement is “the difference of two times a number and five is eight”.

Q: 19. (-3 51)+ (4- 21) 22. (-6-7) - (1+31) 25. (-61)2

A: As we know that; a+bi±c+di=a±c+b±di 19). Given: -3-5i+4-2i

Q: -2 ±49 =

A: The given question is  on simplification

Q: Solve. (a-4)(a+7)=0

A: We need to solve the equation (a−4)(a+7)=0

Q: 2x x + 2 12 8

A:

Q: (-5+i)(i-2) simplify

A: Simplify the given equation as,