Question

Answer quickly pls pls

Answer 1

Answer:

1.cos theta = 4/5

2.tan theta = 3/4

3.1/3

Step-by-step explanation:

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Answer 2

Step-by-step explanation:

sinA = 9/15 = p/h then b =√(15^2-9^2)=12

(i) cosA = 12/15 (ii) tanA = 9/12 ,

(ii) cosec^2A - cot^2A = (15/9)^2 - (12/9)^2

= 81/81 = 1