CBSE MCQ Maths 12 Science Inverse Trigonometric Functions Answers in English to enable students to get Answers in a narrative video format for the specific question.

Expert Teacher provides CBSE MCQ Maths 12 Science Inverse Trigonometric Functions Answers through Video Answers in English language. This video solution will be useful for students to understand how to write an answer in exam in order to score more marks. This teacher uses a narrative style for a question from Inverse Trigonometric Functions not only to explain the proper method of answering question, but deriving right answer too.

Please find the question below and view the Answer in a narrative video format.

** Question:**

** Answer Video in** **English****:**

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**Question 1** : then find the value of x. (View Answer Video)

**Question 2** : Solve the equation :

(View Answer Video)

**Question 3** : If Find the values of x. (View Answer Video)

**Question 4** : is equal to : (View Answer Video)

**Question 5** : Write the value of (View Answer Video)

**Question 1** : Find : (View Answer Video)

**Question 2** : Evaluate : (View Answer Video)

**Question 3** : Prove that : (View Answer Video)

**Question 4** : Find : (View Answer Video)

**Question 5** : Find : (View Answer Video)

**Question 1** : A couple has 2 children. Find the probability that both are boys, if it is known that one of them is a boy. (View Answer Video)

**Question 2** : A bag contains 3 red and 7 black balls. 2 balls are selected at random one by one without replacement. If the second selected ball happens to be red, what is the probability that the first selected ball is also red? (View Answer Video)

**Question 3** : A bag contains 4 red and 4 black balls, another bag contains 2 red and 6 black balls. One of the two bags is selected at random and two balls are drawn at random (without replacement) from the bag which are both found to be red. Find the probability that the balls are drawn from the first bag. (View Answer Video)

**Question 4** : A coin is tossed three times. Find P(F/E), where E : at most two tails and F : atleast one tail. (View Answer Video)

**Question 5** : Three persons A, B and C apply for a job of Manager in a Private company. Chance of their selection (A, B and C) are in the ratio 1:2:4. The probability that A, B, and C can introduce changes to improve profits of company are 0.8, 0.5 and 0.3 respectively, if the changes does not take place, find the probability that is due to the appointment of C. (View Answer Video)

**Question 1** : Find the vector quantities from the following:

(i) Time period (ii) Distance (iii) Force

(iv) Velocity (v) Work done

(View Answer Video)

**Question 2** : If and denote the position vectors of points A and B respectively and C is a point on AB such that AC = 2 CB, then write the position vector of C. (View Answer Video)

**Question 3** : if a, b, c are unit vectors such that a + b + c = 0, then find the value of a.b + b.c + c.a. (View Answer Video)

**Question 4** : Find a unit vector parallel to the sum of vectors and (View Answer Video)

**Question 5** : If a line has direction ratios 2, -1, -2, then what are its direction cosines? (View Answer Video)