Math, asked by iamjothika735, 8 months ago

.Express sin 81° + tan81° interms of trigonometric ratios of an angle between 0° and 45°.

Answers

Answered by shwetashukla794

4

Step-by-step explanation:

sin 81 + tan 81

we know that

sin A = cos(90 -A)

Tan A = Cot ( 90 - A)

therefore ,

cos ( 90-81) + Cot ( 90 - 81)

cos 9 + cot 9

Thus proved ,

Previous Question

Next Question

Similar questions

English, 4 months ago

एड क्वेश्चन टैग हे हेडन थॉट ऑफ़ द डे...

Science, 4 months ago

poem vocation <br />1) Poem & Poet<br />2) Theme<br />3) Tone<br />4) Structure and stanzas<br />5) Rhyme & rhythm<br />6) Language & Imagery<br />7) Figure of speech.<br /><br /> you want full poem so tell me I give you <br /><br /> please help me please ...

English, 4 months ago

Remember no men re strange, no countries foreign beneaths all uniforms a single body breathes like ours a . what do we have to rember?

Math, 8 months ago

find two rational no between-1&2/3 ...

Social Sciences, 8 months ago

In which year the Russian revolution started..??

Math, 11 months ago

A square is inscribed in a circle of diameter d and another square is circumscribing the circle. Find the ratio of outer square to the area of the inner square...

Math, 11 months ago

A sphere of radius 'r' is melted down to form a cone of the same height as the sphere. Find the radius of the base of the cone...

Physics, 11 months ago

A sphere a solid cylinder and a ring of same mass and radius...