Question

EXPRESS SIN 75 +COS 65 IN TERMS OF TRIGONOMETRIC RATIOS OF AMGKES BETWEEN 0 AND 45

Answer 1

$\huge{Emma}$

Given,

Sin 75 + Cos 65

= Sin (90-15) + Cos (90-25)

=cos 15°+ Sin 25

Answer 2

Explanation:

sin75°+cos65°=cos15°+sin25°

Step-by-step explanation:

sin75°+cos65°

=sin(90-15)+cos(90-25)

= cos15°+sin25°

Therefore,

sin75°+cos65°=cos15°+sin25°

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