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The logic followed here is as follows: (First number × Third number) – (First number) = Second number (15 × 12) – 15 = (180 - 15) = 165 (21 × 14) – 21 = (294 - 21) = 273 (28 × 18) - 28 = (504 - 28) = 476 (18 × 11) – 18 = (198 - 18) = 180 (32 × 10) – 32 = (320 - 32) = 288
Find the value of `1/2` cosec 10 - `2/(cosec 70)` ?
If sec2 θ = 4, then find the value of sin2 θ + cosec (90 - θ) where 0o < θ < 90o.
If sin(x + y) = 3/5 and cos(x - y) = 12/13, where x, y ∈ [0, π/2], find sin(2x) + sin(2y).
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The angle of elevation of the top of a 70 feet tall tower from the initial position of a person on the ground was 30°. She walked towards the tower in ...
Find the exact value of cos120°
If θ is an acute angle and sin θ + cosec θ = 2, then the value of sin2 θ + cosec2 θ is: