Question

5) find the value of i) sin^2 90° + cos^2 90° ii) cosec^2 30° - cot^2 30° iii) sec^2 60° - tan^2 60° ​. with solution​

Answer 1

Answer:

Step-by-step explanation:

Perpendicular = BC and

Hypotenuse = AC

Let BC = 3k and AC = 4k

= (4k)2 - (3k)2 = (4k - 3k)(4k + 3k) = k(7k) = 7k2

PLS MARK BRAINLIST

Answer 2

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