Question

(1) sin square 30° + sin square 45° + sin square 60° + sin square 90°
(2) 2 sin square 30° - 3 cos square 45° + tan square 60°
(3) (cosec2 45° sec2 30°)
(sin square 30° + 4 cot square 45° - sec 60°)​

Answer 1

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