Question

If 17 cosz = 15 then what is the value of tanz + 2secz

Answer 1

Step-by-step explanation:

17cosΘ=15

cosΘ=

17

15

cosΘ=

H

B

=

17

15

Now, using Pythagoras Theorem,

H

2

=P

2

+B

2

17

2

=P

2

+15

2

P=8

Now, tanΘ+2secΘ

=

B

P

+2(

B

H

)

=

15

8

+2(

15

17

)

=

15

8+34

=

15

42

= 2

5

4

Answered By

toppr

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