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If 3 cot a is equal to 4 check whether | Trigonometry
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Exercise 8.1 class 10
If 3 cot A =4 check whether
(1-tan²A/(1+tan²A) = cos²A–sin²A
Hint💡:
Transpose 3 to RHS
cot A = 3 by 4 or 3/4
tan²A = tan A x tan A
Remember:
sin A = P/H
cos A = B/H
tan A = P/B
Follow the steps📖:
1. After finding the value of cot A
2. Find sin A, cos A and tan A
3. Solve RHS of the given equation
4. Solve LHS of the given equation
5. If RHS = LHS, they are equal else not
Practice:
Trigonometry
Revise 📝:
Quadratic Equations
Polynomials
Real Numbers
#class10maths #trigonometry
If 3 cot A =4 check whether
(1-tan²A/(1+tan²A) = cos²A–sin²A
Hint💡:
Transpose 3 to RHS
cot A = 3 by 4 or 3/4
tan²A = tan A x tan A
Remember:
sin A = P/H
cos A = B/H
tan A = P/B
Follow the steps📖:
1. After finding the value of cot A
2. Find sin A, cos A and tan A
3. Solve RHS of the given equation
4. Solve LHS of the given equation
5. If RHS = LHS, they are equal else not
Practice:
Trigonometry
Revise 📝:
Quadratic Equations
Polynomials
Real Numbers
#class10maths #trigonometry
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