22. Ans. see a B The expression tan (A) 4 (B) 6 (C) S (D) 10 (C, D) sec* B tan² a (wherever defined) can take the value -

Algebra & Trigonometry with Analytic Geometry
13th Edition
ISBN:9781133382119
Author:Swokowski
Publisher:Swokowski
Chapter7: Analytic Trigonometry
Section7.4: Multiple-angle Formulas
Problem 10E
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Q23 only

sec a secB
tan B
22.
The expression
(wherever defined) can take the value-
tan a
(A) 4
(B) 6
(C) 8
(D) 10
Ans.
(С. D)
89
27
+ sec2
"(종)
Let sec
= S and cos (k°) = , where a, b are
23
+ sec?
k=1
coprime, then which of the following is'are correct?
(A) Number of positive divisors of a + b+S is 4
(B) Number of positive divisors of a +b+S is 8
(C) S is a perfect square
(D) a + bis a prime number
Ans.
(A, C, D)
Transcribed Image Text:sec a secB tan B 22. The expression (wherever defined) can take the value- tan a (A) 4 (B) 6 (C) 8 (D) 10 Ans. (С. D) 89 27 + sec2 "(종) Let sec = S and cos (k°) = , where a, b are 23 + sec? k=1 coprime, then which of the following is'are correct? (A) Number of positive divisors of a + b+S is 4 (B) Number of positive divisors of a +b+S is 8 (C) S is a perfect square (D) a + bis a prime number Ans. (A, C, D)
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