Sec 17 degree / cosec 73 degree tan 68 degree / cot 22 degree cos ^2 44 degree cos ^2 46 degree evaluate without using trigonometric table.
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Answer:
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Step-by-step explanation:
=sec (90-73)/cosec73 ×tan (90-22)/cot22×cos^2 (90-46) ×cos^2 46
=cosec73/cosec73×cot22/cot22×sin^2 46/cos^2 46
=1
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