Find the values of (i) sin60°/cos^245°-3tan30°+5cos90° (ii) 2√2cos45°cos60°+2√3sin30°tan60°-cos0° (iii) 4/5tan^2 60°-2/sin^2 30°-3/4tan^2 30°

Answered By

Find the values of :
(i) 7 sin 30° cos 60°
(ii) 3 sin² 45° + 2 cos² 60°
(iii) cos² 45° + sin² 60° + sin² 30°
(iv) cos 90° + cos² 45° sin 30° tan 45°.