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Trigonometric Formulas

Kanchan

21/03/2017 6 0

Important Trigonometric Formulas:

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Other Lessons for You

Proof of trig double angle formula tan ( 2A )

Now tan ( A + B ) = tan A + tan B/1— tan A tan B Put B = A = tan ( A + A ) = tan ( 2A )= tan A + tan A / 1 — tan A tan A = 2 tan A / 1 — tan² A ∴ tan (2A)= 2 tan A / (1 — tan² A)

B.Sudhakar

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Forfeiture Of Shares (II PUC And CBSE Accountancy)

The term Forfeiture of Shares refers to Cancellation of Shares by the Company. The company decides to cancel/forfeit the shares of a member/shareholder as, the shareholder must not have responded to the...

Madhura Sagar G.

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Alkane, Alkene and Alkyne

Organic Compounds Initially, compounds of carbon could only be obtained from living sources and there was no way of synthesizing them. Hence, carbon compounds are also known as organic compounds. Carbon...

Tejas Academy Centre

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The sacredness of Planck's Constant

Many times people ask this question: have you seen god/ghost? Or do you believe in them? And you must have seen many people answering this as: I have not seen any of them. So how can I believe it? Well,...

Arka Prava Sarkar

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Origin of Organic Chemistry

Organic chemistry is the study of compounds that contain carbon. It is one of the major branches of chemistry. In 1815, a Swedish chemist J.J. Berzelius put forward vital force theory to explain the origin...

Prabhat Patel

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