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Variation of Trigonometric Ratios from 0 to 90 Degrees

Question 11 i...

Question

Question 11 (iii)
State whether the following are true or false. Justify your answer.
(iii) cos A is the abbreviation used for the cosecant of angle A.

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Solution

(iii) False.
Abbreviation used for cosecant of angle A is cosec A. cos A is the abbreviation used for cosine of angle A.

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Q. Question 11 (iii)
State whether the following are true or false. Justify your answer.
(iii) cos A is the abbreviation used for the cosecant of angle A.

Q. State whether the following are true or false. Justify your answer.

(i) The value of tan A is always less than 1.
(ii)

\sec A = \frac{12}{5}

for some value of angle A.
(iii) cos A is the abbreviation used for the cosecant of angle A.
(iv) cot A is the product of cot and A.
(v)

\sin θ = \frac{4}{3}

for some angle θ.

State whether the following are true or false. Justify your answer.

(i) The value of tan A is always less than 1.

(ii) sec A =for some value of angle A.

(iii) cos A is the abbreviation used for the cosecant of angle A.

(iv) cot A is the product of cot and A

(v) sin θ =, for some angle θ

Q. Question 4 (iii)
State whether the following are true or false. Justify your answer.
(iii) The value of cos

θ

θ

Q. Question 4 (iii)
State whether the following are true or false. Justify your answer.
(iii) The value of cos

θ

θ

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Variation of Trigonometric Ratios from 0 to 90 Degrees

Standard X Mathematics

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