Bihar Board Class 10 (BSEB) intro_trigonometry — practice questions
17 free MCQs with worked solutions. Tap any question for the answer + explanation, or practice them all in the app.
Practice Bihar Board Class 10 (BSEB) intro_trigonometry in the app →In a right triangle with respect to acute angle A, sin A is defined as:In a right triangle, if sin A = 3/5, what is cosec A?In a right triangle with hypotenuse 13 and opposite (to A) = 5, what is cos A?If tan A = 4/3, find sin A.In a right triangle, cos A · sec A equals:Evaluate sin 30° + cos 60°.Find tan 45° + cot 45°.Evaluate cos 60° · sin 30° + sin 60° · cos 30°.sin 67° equals which of the following (using complementary angles)?Compute sin 60° · cos 30° − cos 60° · sin 30°.Find tan 30° · tan 60°.If sin A = 1/2, find cos²A.Simplify sec²θ − tan²θ.Simplify (1 − cos²θ) / sin²θ for sin θ ≠ 0.If sec A = 5/3, find tan A.Simplify (sin A + cos A)² + (sin A − cos A)².Prove or evaluate: (1 + tan²A)(1 − sin²A).