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ICSE Class 10 Answered

Asked by Kanwaranita10 | 03 Mar, 2020, 02:40: PM

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Prove that sinA/(1 + cotA) - cosA/(1+ tan A) = sinA - cos A

begin mathsize 16px style fraction numerator sinA over denominator 1 plus cotA end fraction minus fraction numerator cosA over denominator 1 plus tanA end fraction end style

begin mathsize 16px style equals fraction numerator sinA over denominator 1 plus begin display style cosA over sinA end style end fraction minus fraction numerator cosA over denominator 1 plus begin display style sinA over cosA end style end fraction end style

begin mathsize 16px style equals fraction numerator sin squared straight A over denominator sinA plus cosA end fraction minus fraction numerator cos squared straight A over denominator sinA plus cosA end fraction end style

begin mathsize 16px style equals fraction numerator sin squared straight A minus cos squared straight A over denominator sinA plus cosA end fraction end style

begin mathsize 16px style equals fraction numerator open parentheses sinA plus cosA close parentheses open parentheses sinA minus cosA close parentheses over denominator sinA plus cosA end fraction equals sinA minus cosA end style

Answered by Sneha shidid | 03 Mar, 2020, 04:46: PM

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ICSE 10 - Maths

prove that

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ICSE 10 - Maths

A pillar stands on top of cliff. from a point on the ground 40m away from the base, the angles of elevation of the top of the pillar and the top of the cliff are 60° and 45° respectively. Find the height of the pillar. please send the full answer with workings

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ICSE 10 - Maths

From the top of the light house , the angles of depression of two ships on the same side of the light house are 60° and 45°. Find the height of the light house , if the distance between the ships is 36 meters. Answer to the nearest meter.

Asked by shethdhanesh | 18 Oct, 2023, 06:54: PM

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ICSE 10 - Maths

Prove that cot²A - cos²A = cos⁴A . cosec²A

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ICSE 10 - Maths

Prove that (sin^2 theta - 1)(tan^2 theta + 1) + 1 = 0

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ICSE 10 - Maths

Please help me to solve the question

Asked by rashikulkarni28 | 08 Jun, 2022, 02:51: PM

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ICSE 10 - Maths

Please help me to solve the question.

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ICSE Class 10 Answered

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