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## (i) (1 + tan A)/ sin A + (1 + cot A)/ cos A = 2 (sec A + cosec A) (ii) sec4 A – tan4 A = 1 + 2 tan2 A

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This is an important question from the Book- ML Aggarwal Board- ICSE Publication- Avichal Chapter- Trigonometric Identities Chapter number-18 We have ...Read more

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## If 12 cosec θ = 13, find the value of (2 sin θ – 3 cos θ)/ (4 sin θ – 9 cos θ)

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This ques has been taken from the Book- ML Aggarwal Board- ICSE Publication- Avichal Chapter 18th Chapter- Trigonometric Identities This has been ...Read more

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## If tan A = 1/√3, find all other trigonometric ratios of angle A.

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This is an important question from Book- ML Aggarwal Board- ICSE Publication- Avichal Chapter- Trigonometric Identities This question has been asked in ...Read more

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## Express the ratios cos A, tan A and sec A in terms of sin A.

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This ques is from ML Aggarwal book, Avichal publication, class 10th. Chapter 18, trigonometric identities Express the ratios cos A, tan A ...Read more

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## If A is an acute angle and sec A = 17/8, find all other trigonometric ratios of angle A (using trigonometric identities).

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Book- ML Aggarwal Board- ICSE Publication- Avichal Chapter- Trigonometric Identities If A is an acute angle and sec A = 17/8, ...Read more

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Guru

## Salman buys 50 shares of face value Rs 100 available at Rs 132. (i) what is his investment? (ii) If the dividend is 7.5% p.a., what will be his annual income? (iii) If he wants to increase his annual income by Rs 150, how many extra shares should he buy?

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an important question from the book -ML aggarwal( avichal publication)class 10th , chapter3, shares and dividends …….. Salman buys 50 shares ...Read more

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Newbie

## Rajiv Bhardwaj has a recurring deposit account in a bank of Rs. 600 per month. If the bank pays simple interest of 7% p.a. and he gets Rs. 15450 as maturity value, find the total time for which the account was held.

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Find the number of months for which this account was held. Banking chapter ICSE syllabus