Math, asked by Murali135, 1 year ago

sin(n+1)A-sin(n-1)A/cos(n+1)A+2cosnA+cos(n-1)A

Answers

Answered by vikykumar1204

0

hence answer is tanA

sin(n+1)A-sin(n-1)A/cos(n+1)A+2cosA+cos(n-1)A

= sin nA +sinA-sin nA+sinA/cosnA+cosA+2cosA+cosnnA-cosA

=2sinA/2cosA

=tanA

Attachments:

Previous Question

Next Question

Similar questions

Math, 7 months ago

InThese a A bus started its journey and reached different places with a speed of 60 km/hour. The journey is shown on page 14. Find the total distance covered by the bus from A to D. (1) Find the total distance covered by the bus from D to G Find the total distance covered by the bus, if it starts from A and returns back to A. (iv) Can you find the difference of distances from C to D and D to E?

Math, 7 months ago

x⁸-1. step by step. no asking for brainliest.

Geography, 7 months ago

what are the three types of mountains ?

English, 1 year ago

passive voice Who loves you...

Hindi, 1 year ago

can you translate this it in hindi...

Hindi, 1 year ago

Important alankar types for exam please tell I will mark brainliest...

Math, 1 year ago

write five three digit no.whose multiple of 2...

Physics, 1 year ago

Air has refractive index 1.0003. The thickness of air column, which will have one more wavelength of yellow light (6000 å) than in the same thickness of vacuum is:- 2 cm 2 mm 2 m 2 km...