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NCERT Solutions for Class 10 Maths Exercise Chapter 8- introduction to trigonometry
Class: Maths (English Ch 8 Maths Class 10 Ex 8.4 Answers and Hindi Medium).� 10 Maths Chapter 8 Questions with Answers. If sin A = cos A, find the value of A. [Answer: 45]. If tan ?= cot (30� + ?), find the value of ?. [Answer: 30]. If sin ? = cos (? � 6�), find the value of ?. [Answer: 24]. If cos A = 7/25, find the value of tan A + cot A. [Answer: /]. Questions from Board Papers. 1. If tan ? = 4/3, then find the value of (sin ? + cos ?)/(sin ? � cos ?).[Answer: 7]. 2. If 3x = cosec ? and 3/x = cot ? then find 3(x? � 1/x?). [Answer: 1/3]. 3. If x = a sin ? and y = a cos ? then find the value of x? + y?. [Answer: a]. 4. Find the value of cosec 70� � sec 20�. [An. Class 10 Maths MCQs Ncert Class 10 Maths Ch 6 Ex 6.3 Answers Chapter 15 Probability. MCQ On Probability Class 10 Question 1. The probability of getting exactly one head in tossing a pair of coins is (a) Ncert Exemplar Class 10 Maths Solutions Ch 8 Answers 0 (b) 1 (c) 1/3 (d)1/2. Answer/ Explanation. Answer: d Explaination: Reason: S = [HH, HT, TH, TT] = 4 ? P(exactly 1 head) \(=\frac{2}{4}=\frac{1}{2}\).� Answer: a Explaination: Reason: Total events = MCQ Of Probability For Class 10 Question 5. Which of the following can be the probability of an event? (a) � (b) (c) \(\frac{18}{23}\) (d) \(\frac{10}{7}\). Answer/ Explanation. Answer: c Explaination: Reason: The probability of an event can neither be a negative value, nor it can exceed unity. Probability MCQs With Answers Pdf Question 6. Three coins are tossed simultaneously. The probability of getting all heads is. Before viewing Answer of Chapter-8 Matrices of ML Aggarwal Solutions. Read the Chapter Carefully and then solve all the example of Exe, Exe, Exe, given in your text book. For more practice on Matrices related problems /Questions / Exercise try to solve Quadratic Equations exercise of other famous publications also such as Goyal Brothers Prakshan (RS Aggarwal ICSE) / Concise Selina Publications Mathematics. Get the formula of Matrices for ICSE Class 10 Maths to understand the topic more clearly in effective way. Exercise ,Chapter 8 Matrices Solutions of ML Aggarwal for ICSE Math.

Solutions are given in videos format also describing in English and Hindi. These solutions are in Hindi and English Medium format. If you have any doubt, please visit to Discussion Forum to ask your doubts. Trigonometry is the oldest branch of mathematics. This concept was first used by Aryabhata in Aryabhatiyam in A. Trigonometry Basic Questions Of Maths For Class 9 Answers is a word consisting of three Greek words: Tri-Gon-Metron. So, trigonometry is the study related to the measure of sides and angles of a triangle in particular, right triangles in CBSE class Trigonometry is used in astronomy to determine the position and the path of celestial objects.

Astronomers use it to find the distance of the stars and planets from the Earth. Captain of a ship uses it to find the direction and the distance of islands and light houses from the sea. Surveyors use to map the new lands.

Objective of Class 10 Trigonometry: Identifying the opposite side, adjacent side and hypotenuse of right triangle with respect to given angle A. Defining the six rations sine, cosine, tangent, secant. Finding the values of trigonometric rations of a given right angled triangle.

Finding the values of trigonometry rations of some standard angles 0, 30, 45, 60 and 90 in degrees. Using complementary angles and applying it into trigonometric identities to prove another identities. The creator of trigonometry is said to have been the Greek Mathematician Hipparchus of the 2nd century BC. The word Trigonometry which means triangle measurement is credited to Bastholoman Pitiscus Aryabhata used the word Ardha-jya for the half-chord, which was shortened to Jya or Jiva in due course.

When the Aryabhatiyam was translated into Arabic, the word Jiva was retained. The cosine function arose from the need to compute the sine of the complementary angle.

Aryabhata called it Kotijya. The name cosinus originated with Edmund Gunter. Revision books are also available to download. Description, history and identities related to Trigonometry is given below. What is Trigonometry? Why is trigonometry a useful tool in astronomy? What is the objective of Class 10 Trigonometry?

Determine: sin A, cos A. Chapter 9: Some Applications of Trigonometry �.

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