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Find cosec 30 degree and Cos …

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Find cosec 30 degree and Cos 60 degree geometrically

Posted by Archana Sarode 6 years, 10 months ago

CBSE > Class 10 > Mathematics

2 answers

Ram Kushwah 6 years, 10 months ago

There are some typing mistakes because i am not well

Later i will explain again

1Thank You

Ram Kushwah 6 years, 10 months ago

Archana Sarode

Very good question

1. From above figure you can find all trigonometrical ratios .

of 30, and 60

2. For 45 AB=BC so it is easy to find all ratios I hope it is easy for you sin45=cos45=1/{tex}\sqrt 2{/tex}cos0=1,tan45=1

3. For 90 if {tex}\angle{/tex} C=90 then AB=AC and BC=0 SO sin 0=0, cos0=1,tan90=inf

4 For 0. If {tex}\angle{/tex} C=0 then BC=AC and AB=0 sin90=1 ,cos 90=0 tan 0=0

The detail calculation I leave for students

1Thank You

ANSWER

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