sin 480° - sin 60° + sin 780° + cos 120°
=>sin (360° + 120°) - sin 60° + sin (360° x 2 + 60°) + cos (90° + 30°)
=>sin 120° - sin 60° + sin 60° - sin 30°
=>sin (90° + 30°) - sin 30°
cos 30° - sin 30°
=>√3/2-1/2
=>(√3-1)/2
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90 Mins English English100 Questions100 Marks90 Mins English English40 Questions30 Marks25 Mins EnglishIf sin - cos = 0, then the value of sin + cos + tan is:
If sin 3 θ = cos (θ – 6°), then θ is:
If sin(3A – 20°) = cos(20° – 3B), then the value of A – B is:
All trigonometric functions are periodic. What is the period of cos x ?
is equal to:
Express: sin58° + cos82° in terms of Trigonometric ratios of angles between 0° and 45°.
If cot 35° = 2- then the value of tan 35° cot 55° + tan 55° cot 35° is:
is equal to:
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