If sin theta=cos theta then the value of 2sin theta-cos theta is
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Answer:
sin theta = cos theta
2sin theta - cos theta
= 2cos theta - cos theta
= cos theta
2sin theta - cos theta = cos theta
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The value of
Given:
To find:
- Value of
Solution:
Concept to be used:
- Find the value of theta and solve the expression.
Step 1:
Find the angle for the given expression.
We know that
and
Thus,
If
so,
Step 2:
Put the value of angle.
or
or
or
or
Thus,
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