Q.

If  7cosecθ=8, then  cotθsinθ=

Moderate

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By Expert Faculty of Sri Chaitanya

a

81549

b

715

c

158

d

78

answer is A.

(Detailed Solution Below)

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Detailed Solution

cosecθ=87

cotθ=157

sinθ=78

cotθsinθ=157×87=81549

ctaimg
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