Question

$if \:\: \sin \alpha = 4 \div 5 \: \cos \alpha \times \tan\alpha =$
​

Answer 1

Given:

sin Ø = 4/5

To find:

cos Ø × tan Ø

Solution:

cos Ø × tan Ø = cos Ø × sin Ø/cos Ø = sin Ø = 4/5

[tan Ø = sin Ø/cos Ø]

Answer 2

Solutions:

cos(theta) × tan(theta)

= cos(theta) × sin(theta) / cos(theta)

= sin(theta)

= 4/5.

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