Math, asked by manush65, 2 months ago

Show that tanA. sinA+cosA=secA

Answers

Answered by aritra7125

1

Step-by-step explanation:

ANSWER

Consider LHS =tanAsinA+cosA

=

cosA

sinA

sinA+cosA (∵tanA=

cosA

sinA

)

=

cosA

sin

2

A

+cosA=

cosA

sin

2

A+cos

2

A

(But sin

2

A+cos

2

A=1)

=

cosA

1

=secA= RHS

Previous Question

Next Question

Similar questions

Math, 1 month ago

A family of 12 people had enough provision for 12 days. But 3 guests came for 2 days. How long this provisions will last for?

Math, 1 month ago

help plizzzzzzzzzzzzzzzz ...

English, 1 month ago

Fill in the blanks with suitable question tags. 1. We are collecting old CDs, ---- ? 2. I often watch TV in the evening, ---- ? 3. You have done the washing, ---- ? 4. Ritu is ready, ---- ? 5. The mall is closed today, ---- ? 6. Jaya couldn’t hand in her assignment on time, ---- ? 7. Rahul is tall enough to play basketball, ---- ? 8. Your father has a convertible car, ---- ? 9. They didn’t...

Math, 2 months ago

state with reason whether angel ABC is congruent to angel ADE or not. ...solve it Brainliest...

Science, 2 months ago

Difference between roughage and concentrates..

Hindi, 8 months ago

if i write this defination for shabd will i get marks in it - varno ke sarthak samuh ko shabdh kehte h...

Science, 8 months ago

कोई डॉक्टर + 1.5 D क्षमता का संशोधक लेंस निर्धारित करता है । लेंस की फोकस दूरी ज्ञात कीजिए । क्या निर्धारित लेंस अभिसारी है अथवा अपसारी ?

Science, 8 months ago

एक वस्तु का उत्तल लेंस द्वारा किसी पर्दे पर प्रतिबिम्ब 3 गुना बड़ा बनता है । यदि वस्तु और पर्दे की स्थितियाँ बदल दी जाए तो उस दशा में आवर्धन कितना होगा ?