Math, asked by mohitsigroha807415, 4 months ago

prove that cos thita is = 1+ tan thita/2​

Answers

Answered by jaatk78
1

Step-by-step explanation:

cos thita=1+tan thita/2

1+tan thita/2=1+sin thita /cos thita /2

cos thita + sin thita/cos thita /2

1/cos thita /2

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