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Which of the following statements is wrong ?

(a) sin2? + cos2? = 1

(b) 1 + tan2? = sec2?

(c) sin2? - cos2? = 1

(d) sin2? = 2 sin? cos?

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Which of the following statements is wrong ? (a) sin2? + cos2? = 1 (b) 1 + tan2? = sec2? (c..

Answer / chief

( c ) sin2? - cos2? = 1

Is This Answer Correct ?    50 Yes 15 No

Which of the following statements is wrong ? (a) sin2? + cos2? = 1 (b) 1 + tan2? = sec2? (c..

Answer / uttara

sin2? - cos2? = 1

Is This Answer Correct ?    35 Yes 15 No

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