Without using trigonometric tables evaluate : { \sin 65^{\circ}}/{\cos 25^{\circ}}+ {\cos 32^{\circ}}/{ \sin 58^{\circ}}- \sin 28^{\circ} \cdot \sec 62^{\circ} +{\cosec}^2 30^{\circ}

ICSE Class X Math 2015 Solved Paper - Question 4

Question : 4 of 52

Marks: +1, -0

Without using trigonometric tables evaluate :

\;{ \sin \;65^{∘}}/{\cos 25^{∘}}+\;{\cos 32^{∘}}/{ \sin \;58^{∘}}- \sin \;28^{∘} ⋅ \sec 62^{∘}

+{\cosec}^2 30^{∘}

Solution:

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