Without using trigonometric tables, find the value of the

Without using trigonometric tables, find the value of the following expression:sec 90° θ cosec θ tan 90° θ cot θ + cos2 25° + cos2 65° 3 tan 27° tan 63°
Without using trigonometric tables- find the value of the following expression-sec 90- - cosec - - tan 90- - cot - - cos2 25- - cos2 65- 3 tan 27- tan 63

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Without using trigonometric tables, the value of ( tan 50 ^ { circ } + sec 50 ^ { circ } ) ( cot 40 ^ { circ } + csc 40 ^ { circ } ) ( + cos 40 ^ { circ } csc 50 ^ { circ } ) metric tables eva ate the following

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Without using trigonometric tables, find the value of the following expression:sec 90° θ cosec θ tan 90° θ cot θ + cos2 25° + cos2 65° 3 tan 27° tan 63°

Without using tables, give the value of each of the following : sec2

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