## Question

###### I0. Determine which of the following is true; cot" 1420 Csc" 1420 + cos" HS" + tan" HS' = | tan (-1939) tan /930 None of these10.I. Delermine which of the following is true. (an 50" tan 550 Uilm) 1050 tan 50" tan 550I.sin 2279 sin [070 cos |209 cos [070 esc |209 cos 850 cos 120" cos 350 sin 420" sin 350None of these

I0. Determine which of the following is true; cot" 1420 Csc" 1420 + cos" HS" + tan" HS' = | tan (-1939) tan /930 None of these 10. I. Delermine which of the following is true. (an 50" tan 550 Uilm) 1050 tan 50" tan 550 I. sin 2279 sin [070 cos |209 cos [070 esc |209 cos 850 cos 120" cos 350 sin 420" sin 350 None of these

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