Question

3. In a ABC, angle B = 90° and sin A =8/11, show that
(i) sec²A-tan²A= 1
(ii) cot²A- cosec²A+1=0​

Answer 1

Step-by-step explanation:

Angle b = 90 degrees. Sin a = 8/11. Show that 1.sec squareA-tan square A = 1 2.cot square A-cosec square A+1 = 0.

Answer 2

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