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AP EAPCET 24-Aug-2021 Shift 2 Paper

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Question : 22

Total: 160

Given

sin‌x°‌sin(x+1)°

=cot‌x°−cot(x+1)°, then the value of

sin‌45°‌sin‌46°

sin‌46°‌sin‌47°

sin‌89°‌sin‌90°

is

sin‌1°
cot‌1°
−cot‌1°
cosec‌1°

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