Question

20. Without using trigonometric tables, evaluate:
29 sin 80°
cos 53° cosec 37°
7 cos 10° 7(tan 40° tan 65º tan 25º tan 50°)
4(sin 69° + sin
219​

Answer 1

the value of tan^60°-sin^30°/tan^45°+cos^30° is

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