12) First multiply 354 by 3.
Answer:
Step-by-step explanation:
(a - b)(a +b) = a² - b²
1 - Sin² A = Cos² A

2) Sec² A - Tan² A = 1

3) LHS = Cosec² A + Cot² A
= Cosec² A + Cosec² A - 1
= 2Cosec² A - 1 = RHS

Answer:
the answer C
Step-by-step explanation:
Answer
(5 2) (7 3) 2 3 5 x < x - - x - The inequality is 2 x < 5x 3 -2 – 7x 5 -3 Multiply ... Find all pair of consecutive odd positive integers both of which are smaller than 10 ... Let x be the smaller of the two odd positive integers so that the other is x + 2.
Step-by-step explanation: