if 3cot theta= 4 find the value of 4 cos theta-sin theta /2 cos theta + sin theta
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Answer:
13/5
Step-by-step explanation:
3cot theta= 3 cos theta/sin theta that is equal to 4
so cos theta equals to 4/3 din theta
After putting the value of cos theta in 4 cos theta-sin theta /2 cos theta-sin theta u will get 13/5
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Solution
Given that 3cot∅ = 4
We have,
•Dividing both numerator and denominator by sin∅,we get:
Basic Trigonometric Relationships:
- sin∅ = 1/cosec∅
- cos∅ = 1/sec∅
- tan∅ = 1/cot∅ = sin∅/cos∅
- sin²∅ + cos²∅ = 1
- cosec²∅ - cot²∅ = 1
- sec²∅ - tan²∅ = 1
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