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Some Applications Of Trigonometry

Question
CBSEENMA10007660

State whether the following are true false. Justify your answer.
The value of cos θ increases as θ increases.

Solution
False as we observe from the ready reference table that the value of cosθ decreases as θ increases.

Some More Questions From Some Applications of Trigonometry Chapter

In ΔABC, right angled at B. AB = 24 cm, BC = 7 cm. Determine:
(i) sin A cos A,
(ii) sin C, cos C.