Relation between trigonometric ratios

Trigonometric Ratios for some specific angles |Relationship between the ratios |Questions

OMR|Trigonometric Ratios|Questions|Trigonometric Ratios Of Some Specific Angle|Questions

Assertion : Method of dimension cannot be used for deriving formulae containing trigonometrical ratios. Reason: This is because trigonometrical ratios have no dimensions.

Find the values of the following trigonometric ratios :

Express "cosec"48^(@)+tan88^(@) in terms of trigonometric ratios of angle between 0^(@)and45^(@) .

Express cos70^(@)+sin70^(@)+tan65^(@) in terms of trigonometric ratios of angles lying between 0^(@)and45^(@)

Express sin67^(@)+cos75^(@) in terms of trigonometric ratios of angles between 0^(@) and 45^(@)

Express cot85^(@)+cos75^(@) in terms of trigonometric ratios of angles between 0^(o) and 45^(@)

Find the values of the following trigonometric ratio: sin315^(@)