Trigonometric Ratios CBSE NCERT Solutions Chapter 8 Exercise 8.1 Question 11
11. State whether the following are true or false. Justify your answer.
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Trigonometric Ratios CBSE NCERT Solutions Chapter 8 Exercise 8.1 Question 11
11. State whether the following are true or false. Justify your answer.
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Trigonometric Ratios CBSE NCERT Solutions Chapter 8 Exercise 8.1 Question 10
10. In
, right angled at Q, PR + QR = 25 cm And PQ = 5 cm. Determine the values of sin P, cos P and tan P.
Trigonometric Ratios CBSE NCERT Solutions Chapter 8 Exercise 8.1 Question 9
9. In
, right angled at B, if tan A =
, find the value of
(i) sin A cos C + cos A sin C
(ii) cos A cos C – sin A sin C
Trigonometric Ratios CBSE NCERT Solutions Chapter 8 Exercise 8.1 Question 8
8. If 3 cot A = 4, check whether (1-
) / (1+
) =
or not.
Trigonometric Ratios CBSE NCERT Solutions Chapter 8 Exercise 8.1 Question 7
7. If cot
, evaluate:
(i) (1+sin
) (1-sin
) /(1+cos
)(1- cos
)
(ii)