Math, asked by neelam354, 9 months ago

Sin(80+ theta)-cos(10-theta)

Answers

Answered by wasifamu786alig

3

Answer:

0

Step-by-step explanation:

Sin (80 +theta) - cos(10-theta)

since, we know that sin (theta) = cos (90 - theta)

=Cos (90 - (80 +theta)) - cos(10-theta)

=Cos(10 - theta) - Cos(10 - theta)

=0

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