CBSE Class 10 Introduction to Trigonometry — practice questions
33 free MCQs with worked solutions. Tap any question for the answer + explanation, or practice them all in the app.
Practice CBSE Class 10 Introduction to Trigonometry in the app →In a right triangle, for an acute angle θ, sin θ is defined as:In a right triangle, for an acute angle θ, cos θ is defined as:In terms of sine and cosine, tan θ equals:The fundamental trigonometric identity is:The value of sin 30° is:The value of cos 60° is:The value of tan 45° is:The value of sin 90° is:The value of cos 0° is:The identity $1 + \tan^2\theta$ equals:The expression $ in(90^\circ - \theta)$ is equal to:The value of tan 0° is:The reciprocal of sin θ is:Trigonometric ratios compare the sides of which triangle?The side opposite the right angle is called the:cosec A is the reciprocal of:sec A is the reciprocal of:cot A is the reciprocal of:The symbol sin A is short for:Is cos A the product of cos and A?Which theorem gives the third side of a right triangle?The word sine came into European texts from the word:The cosine arose from the need to find the sine of the:The value of tan 45 degrees is:The value of sin 30 degrees is:The value of cosec 30 degrees is:An equation true for all values of the angle is called an:Which identity is proved first in this chain?The identity sec2 A minus tan2 A equals:The identity cosec2 A equals 1 plus:tan A can be written as sin A divided by:If the sides about the right angle are 3k and 4k, the hypotenuse is:Ratios are also defined for angles of measure 0 and: