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Show that: tan 48 tan 23 …

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Show that: tan 48 tan 23 tan 67=1

Posted by Richa Shree 5 years, 3 months ago

CBSE > Class 10 > Mathematics

1 answers

Yogita Ingle 5 years, 3 months ago

your question is wrong OK. ? tan48.tan23.tan42.tan67=1 RHS=tan48.tan42.tan23.tan67. =tan48.tan(90-48).tan23.tan(90-23). =tan48.cot48.tan23.cot23. =tan48.1/tan48.tan23.1/tan23 =1 I hope this really help you ???

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If 1/2 is a root of equation x^2+kx- 5/4 =0 , then what is the value of k

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CBSE > Class 10 > Mathematics