Question

7. If cosec 0 - cot 0 = x, then cosec + cot 0 =
The
sin 20°cos 70° + cos 20° sin 70°
sin 23° coses 23° + cos 23° sec 23°
(9.) If A + B = 45°, then (1 + tan A)(1 + tan B) =
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Answer 1

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Answer 2

Step-by-step explanation:

cosec^2 theta + cot^2 theta=1

(cosec theta+cot theta ) (cosec theta _ cot theta)=1

cosec theta + cot theta = 1/cosec theta _cot theta

cosec theta + cot theta = 1/x