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State whether the following is true or false. Justify your answer. sin (A + B) = sin A + sin B - Mathematics

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प्रश्न

State whether the following is true or false. Justify your answer.

sin (A + B) = sin A + sin B

पर्याय

  • True

  • False

MCQ
चूक किंवा बरोबर

उत्तर

This statement is False.

Explanation:

sin (A + B) = sin A + sin B

Let A = 30° and B = 60°

sin (A + B) = sin (30° + 60°)

= sin 90°

= 1

sin A + sin B = sin 30° + sin 60°

= `1/2 + (sqrt3)/2`

= `(1+sqrt3)/2`

Clearly, sin (A + B) ≠ sin A + sin B

Hence, the given statement is false.

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  या प्रश्नात किंवा उत्तरात काही त्रुटी आहे का?
पाठ 8: Introduction to Trigonometry - Exercise 8.2 [पृष्ठ १८७]

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एनसीईआरटी Mathematics [English] Class 10
पाठ 8 Introduction to Trigonometry
Exercise 8.2 | Q 4.1 | पृष्ठ १८७

व्हिडिओ ट्यूटोरियलVIEW ALL [2]

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