value of cot^2 theta =1/sin^2teeta
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cot^2ɵ = cosɵ x cosɵ sin^2ɵ = sinɵ x sinɵ
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sinɵ x sinɵ
cot^2ɵ = 1/sin^2ɵ
cosɵxcosɵ 1
________ = _____
sinɵ x sinɵ sinɵ xsinɵ
cos^2ɵ = 1
cosɵ = +1 , -1
ɵ = 0, 180 degree
ɵ = 180degree (π)
------------------
sinɵ x sinɵ
cot^2ɵ = 1/sin^2ɵ
cosɵxcosɵ 1
________ = _____
sinɵ x sinɵ sinɵ xsinɵ
cos^2ɵ = 1
cosɵ = +1 , -1
ɵ = 0, 180 degree
ɵ = 180degree (π)
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