Trigonometric Functions - Online Test
Q1. If then cot B + cot C - cot A =
Answer : Option C
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Q3.
If the sides of a triangle be 2x + 1, - 1 and +x +1, then the greatest angle is
Answer : Option D
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Q4. In a ΔABCΔABC , if a sin A = b sin B then the triangle is
Answer : Option C
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Hence the triangle is isosceles.
Q5.
In a , Is equal to
Answer : Option D
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Q6.
In a triangle ABC, a = 2b and then angle A is
Answer : Option D
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Q7.
If cos A + cos B = 4, then the sides of the triangle ABC are in
Answer : Option B
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Q8. ABC is an equilateral triangle of each side a (> 0). The inradius of the triangle is
Answer : Option B
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Q9. In any ΔABC,ΔABC, the expression (a + b + c) (a + b – c) (b + c – a) (c + a – b) is equal to
Answer : Option C
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Q10. Angles of triangle are in A.P. If the number of degrees in the smallest to the number of radians in the largest is as 60:π, then the smallest angle is
Answer : Option A
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