Math, asked by swapnaVinay, 11 months ago

find sec 70 sin 20 - cos 20 cosec 70

Answers

Answered by ayesha026

0

Answer:

0 us answer of any sum type of sum

Answered by vivek5260

1

Answer:

answer is 0

Step-by-step explanation:

$cos(90 - a) = seca$

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