if sin theta =cos theta find value of2 tan theta+cos theta
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Answer:
Step-by-step explanation:
Given,
sinQ = cosQ
sinQ = sin(90-Q)
[sin and cos are complimentary to each other]
Q=90-Q
2Q=90
Q=45
2tan45 + cos45
2*1 + 1/✓2
2+1/✓2
(2✓2+1)/✓2
Rationalise this now,
✓2*(2✓2+1)/(✓2*✓2)
(4+✓2)/2
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