COS 3α / 4 + cos 4 4α / 3 can be written in product form as
Correct answer: C. 2 cos 25α / 24 COS 7α / 24
- A. 2sinbacos2a
- B. 2sinacosa
- C. 2 cos 25α / 24 COS 7α / 24
- D. 2 cos 52α / 2 COS 5α / 12
Explanation
Correct answer is "C option" or 2 cos 25α / 24 COS 7α / 24''It can be solved as:
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Making Judgements If it is possible to make only one meaningful English word from the second, the fifth, the seventh, and the eighth letters of the word BRILLIANT using each letter only once, the second letter of that word is your answer. If more than one such word can be formed, your answer is X. If no such word can be formed, your answer is Y